Merge from Chromium at DEPS revision r199464

This commit was generated by merge_to_master.py.

Change-Id: Ic3d1f97a4fb4edd1e6ed66a70b5040da1622b5a9

11 files changed, 1126 insertions, 17 deletions

diff --git a/device/bluetooth/bluetooth_adapter_experimental_chromeos.h b/device/bluetooth/bluetooth_adapter_experimental_chromeos.h
index a3a0655dd1..80dce8407b 100644
--- a/device/bluetooth/bluetooth_adapter_experimental_chromeos.h
+++ b/device/bluetooth/bluetooth_adapter_experimental_chromeos.h
@@ -65,6 +65,8 @@ class BluetoothAdapterExperimentalChromeOS
   friend class device::BluetoothAdapterFactory;
   friend class BluetoothDeviceExperimentalChromeOS;
   friend class BluetoothExperimentalChromeOSTest;
+  friend class BluetoothProfileExperimentalChromeOS;
+  friend class BluetoothProfileChromeOSTest;
 
   BluetoothAdapterExperimentalChromeOS();
   virtual ~BluetoothAdapterExperimentalChromeOS();
diff --git a/device/bluetooth/bluetooth_device_experimental_chromeos.cc b/device/bluetooth/bluetooth_device_experimental_chromeos.cc
index fb45ad0b75..c7296baf60 100644
--- a/device/bluetooth/bluetooth_device_experimental_chromeos.cc
+++ b/device/bluetooth/bluetooth_device_experimental_chromeos.cc
@@ -16,6 +16,7 @@
 #include "chromeos/dbus/experimental_bluetooth_input_client.h"
 #include "dbus/bus.h"
 #include "device/bluetooth/bluetooth_adapter_experimental_chromeos.h"
+#include "device/bluetooth/bluetooth_profile_experimental_chromeos.h"
 #include "device/bluetooth/bluetooth_socket.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
@@ -392,8 +393,24 @@ void BluetoothDeviceExperimentalChromeOS::ConnectToProfile(
     device::BluetoothProfile* profile,
     const base::Closure& callback,
     const ErrorCallback& error_callback) {
-  // TODO(keybuk): implement
-  error_callback.Run();
+  BluetoothProfileExperimentalChromeOS* profile_chromeos =
+      static_cast<BluetoothProfileExperimentalChromeOS*>(profile);
+  VLOG(1) << object_path_.value() << ": Connecting profile: "
+          << profile_chromeos->uuid();
+  DBusThreadManager::Get()->GetExperimentalBluetoothDeviceClient()->
+      ConnectProfile(
+          object_path_,
+          profile_chromeos->uuid(),
+          base::Bind(
+              &BluetoothDeviceExperimentalChromeOS::OnConnectProfile,
+              weak_ptr_factory_.GetWeakPtr(),
+              profile,
+              callback),
+          base::Bind(
+              &BluetoothDeviceExperimentalChromeOS::OnConnectProfileError,
+              weak_ptr_factory_.GetWeakPtr(),
+              profile,
+              error_callback));
 }
 
 void BluetoothDeviceExperimentalChromeOS::SetOutOfBandPairingData(
@@ -682,6 +699,8 @@ void BluetoothDeviceExperimentalChromeOS::OnPairError(
   ConnectErrorCode error_code = ERROR_UNKNOWN;
   if (error_name == bluetooth_adapter::kErrorConnectionAttemptFailed) {
     error_code = ERROR_FAILED;
+  } else if (error_name == bluetooth_adapter::kErrorFailed) {
+    error_code = ERROR_FAILED;
   } else if (error_name == bluetooth_adapter::kErrorAuthenticationFailed) {
     error_code = ERROR_AUTH_FAILED;
   } else if (error_name == bluetooth_adapter::kErrorAuthenticationCanceled) {
@@ -804,4 +823,27 @@ bool BluetoothDeviceExperimentalChromeOS::RunPairingCallbacks(Status status) {
   return callback_run;
 }
 
+void BluetoothDeviceExperimentalChromeOS::OnConnectProfile(
+    device::BluetoothProfile* profile,
+    const base::Closure& callback) {
+  BluetoothProfileExperimentalChromeOS* profile_chromeos =
+      static_cast<BluetoothProfileExperimentalChromeOS*>(profile);
+  VLOG(1) << object_path_.value() << ": Profile connected: "
+          << profile_chromeos->uuid();
+  callback.Run();
+}
+
+void BluetoothDeviceExperimentalChromeOS::OnConnectProfileError(
+    device::BluetoothProfile* profile,
+    const ErrorCallback& error_callback,
+    const std::string& error_name,
+    const std::string& error_message) {
+  BluetoothProfileExperimentalChromeOS* profile_chromeos =
+      static_cast<BluetoothProfileExperimentalChromeOS*>(profile);
+  VLOG(1) << object_path_.value() << ": Profile connection failed: "
+          << profile_chromeos->uuid() << ": "
+          << error_name << ": " << error_message;
+  error_callback.Run();
+}
+
 }  // namespace chromeos
diff --git a/device/bluetooth/bluetooth_device_experimental_chromeos.h b/device/bluetooth/bluetooth_device_experimental_chromeos.h
index fce7cd4feb..18b48e9ebd 100644
--- a/device/bluetooth/bluetooth_device_experimental_chromeos.h
+++ b/device/bluetooth/bluetooth_device_experimental_chromeos.h
@@ -173,6 +173,15 @@ class BluetoothDeviceExperimentalChromeOS
   // pairing. Returns true if any callbacks were run, false if not.
   bool RunPairingCallbacks(Status status);
 
+  // Called by dbus:: on completion of the D-Bus method call to
+  // connect a peofile.
+  void OnConnectProfile(device::BluetoothProfile* profile,
+                        const base::Closure& callback);
+  void OnConnectProfileError(device::BluetoothProfile* profile,
+                             const ErrorCallback& error_callback,
+                             const std::string& error_name,
+                             const std::string& error_message);
+
   // Return the object path of the device; used by
   // BluetoothAdapterExperimentalChromeOS
   const dbus::ObjectPath& object_path() const { return object_path_; }
diff --git a/device/bluetooth/bluetooth_experimental_chromeos_unittest.cc b/device/bluetooth/bluetooth_experimental_chromeos_unittest.cc
index 1c6f5b629d..0dc3ad5e81 100644
--- a/device/bluetooth/bluetooth_experimental_chromeos_unittest.cc
+++ b/device/bluetooth/bluetooth_experimental_chromeos_unittest.cc
@@ -136,51 +136,50 @@ class TestPairingDelegate : public BluetoothDevice::PairingDelegate {
         last_entered_(999U) {}
   virtual ~TestPairingDelegate() {}
 
-  void RequestPinCode(BluetoothDevice* device) OVERRIDE {
+  virtual void RequestPinCode(BluetoothDevice* device) OVERRIDE {
     ++call_count_;
     ++request_pincode_count_;
     QuitMessageLoop();
   }
 
-  void RequestPasskey(BluetoothDevice* device) OVERRIDE {
+  virtual void RequestPasskey(BluetoothDevice* device) OVERRIDE {
     ++call_count_;
     ++request_passkey_count_;
     QuitMessageLoop();
   }
 
-  void DisplayPinCode(BluetoothDevice* device,
-                      const std::string& pincode) OVERRIDE {
+  virtual void DisplayPinCode(BluetoothDevice* device,
+                              const std::string& pincode) OVERRIDE {
     ++call_count_;
     ++display_pincode_count_;
     last_pincode_ = pincode;
     QuitMessageLoop();
   }
 
-  void DisplayPasskey(BluetoothDevice* device,
-                      uint32 passkey) OVERRIDE {
+  virtual void DisplayPasskey(BluetoothDevice* device,
+                              uint32 passkey) OVERRIDE {
     ++call_count_;
     ++display_passkey_count_;
     last_passkey_ = passkey;
     QuitMessageLoop();
   }
 
-  void KeysEntered(BluetoothDevice* device,
-                   uint32 entered) OVERRIDE {
+  virtual void KeysEntered(BluetoothDevice* device, uint32 entered) OVERRIDE {
     ++call_count_;
     ++keys_entered_count_;
     last_entered_ = entered;
     QuitMessageLoop();
   }
 
-  void ConfirmPasskey(BluetoothDevice* device,
-                      uint32 passkey) OVERRIDE {
+  virtual void ConfirmPasskey(BluetoothDevice* device,
+                              uint32 passkey) OVERRIDE {
     ++call_count_;
     ++confirm_passkey_count_;
     last_passkey_ = passkey;
     QuitMessageLoop();
   }
 
-  void DismissDisplayOrConfirm() OVERRIDE {
+  virtual void DismissDisplayOrConfirm() OVERRIDE {
     ++call_count_;
     ++dismiss_count_;
     QuitMessageLoop();
@@ -1560,6 +1559,49 @@ TEST_F(BluetoothExperimentalChromeOSTest, PairWeirdDevice) {
   EXPECT_TRUE(properties->trusted.value());
 }
 
+TEST_F(BluetoothExperimentalChromeOSTest, PairUnpairableDeviceFails) {
+  base::MessageLoop message_loop(base::MessageLoop::TYPE_DEFAULT);
+  fake_bluetooth_device_client_->SetSimulationIntervalMs(10);
+
+  GetAdapter();
+  DiscoverDevice(FakeBluetoothDeviceClient::kUnconnectableDeviceAddress);
+
+  BluetoothDevice* device = adapter_->GetDevice(
+      FakeBluetoothDeviceClient::kUnpairableDeviceAddress);
+  ASSERT_TRUE(device != NULL);
+  ASSERT_FALSE(device->IsPaired());
+
+  TestObserver observer(adapter_);
+  adapter_->AddObserver(&observer);
+
+  TestPairingDelegate pairing_delegate;
+  device->Connect(
+      &pairing_delegate,
+      base::Bind(&BluetoothExperimentalChromeOSTest::Callback,
+                 base::Unretained(this)),
+      base::Bind(&BluetoothExperimentalChromeOSTest::ConnectErrorCallback,
+                 base::Unretained(this)));
+
+  EXPECT_EQ(0, pairing_delegate.call_count_);
+  EXPECT_TRUE(device->IsConnecting());
+
+  // Run the loop to get the error..
+  message_loop.Run();
+
+  EXPECT_EQ(0, callback_count_);
+  EXPECT_EQ(1, error_callback_count_);
+
+  EXPECT_EQ(BluetoothDevice::ERROR_FAILED, last_connect_error_);
+
+  EXPECT_FALSE(device->IsConnected());
+  EXPECT_FALSE(device->IsConnecting());
+  EXPECT_FALSE(device->IsPaired());
+
+  // Pairing dialog should be dismissed
+  EXPECT_EQ(1, pairing_delegate.call_count_);
+  EXPECT_EQ(1, pairing_delegate.dismiss_count_);
+}
+
 TEST_F(BluetoothExperimentalChromeOSTest, PairingFails) {
   base::MessageLoop message_loop(base::MessageLoop::TYPE_DEFAULT);
   fake_bluetooth_device_client_->SetSimulationIntervalMs(10);
diff --git a/device/bluetooth/bluetooth_profile.cc b/device/bluetooth/bluetooth_profile.cc
index 2ef94250fd..6c59e5bcf0 100644
--- a/device/bluetooth/bluetooth_profile.cc
+++ b/device/bluetooth/bluetooth_profile.cc
@@ -4,7 +4,9 @@
 
 #include "device/bluetooth/bluetooth_profile.h"
 
-#if defined(OS_MACOSX)
+#if defined(OS_CHROMEOS)
+#include "device/bluetooth/bluetooth_profile_experimental_chromeos.h"
+#elif defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
 #include "device/bluetooth/bluetooth_profile_mac.h"
 #elif defined(OS_WIN)
@@ -43,16 +45,23 @@ BluetoothProfile::~BluetoothProfile() {
 void BluetoothProfile::Register(const std::string& uuid,
                                 const Options& options,
                                 const ProfileCallback& callback) {
+#if defined(OS_CHROMEOS)
+  chromeos::BluetoothProfileExperimentalChromeOS* profile = NULL;
+  profile = new chromeos::BluetoothProfileExperimentalChromeOS();
+  profile->Init(uuid, options, callback);
+#elif defined(OS_MACOSX)
   BluetoothProfile* profile = NULL;
 
-#if defined(OS_MACOSX)
   if (base::mac::IsOSLionOrLater())
     profile = new BluetoothProfileMac(uuid, options.name);
+  callback.Run(profile);
 #elif defined(OS_WIN)
+  BluetoothProfile* profile = NULL;
   profile = new BluetoothProfileWin(uuid, options.name);
-#endif
-
   callback.Run(profile);
+#else
+  callback.Run(NULL);
+#endif
 }
 
 }  // namespace device
diff --git a/device/bluetooth/bluetooth_profile_chromeos_unittest.cc b/device/bluetooth/bluetooth_profile_chromeos_unittest.cc
new file mode 100644
index 0000000000..620116c26e
--- /dev/null
+++ b/device/bluetooth/bluetooth_profile_chromeos_unittest.cc
@@ -0,0 +1,364 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "base/command_line.h"
+#include "base/message_loop.h"
+#include "chromeos/chromeos_switches.h"
+#include "chromeos/dbus/fake_bluetooth_device_client.h"
+#include "chromeos/dbus/fake_bluetooth_profile_manager_client.h"
+#include "chromeos/dbus/fake_bluetooth_profile_service_provider.h"
+#include "chromeos/dbus/mock_dbus_thread_manager_without_gmock.h"
+#include "device/bluetooth/bluetooth_adapter.h"
+#include "device/bluetooth/bluetooth_adapter_experimental_chromeos.h"
+#include "device/bluetooth/bluetooth_adapter_factory.h"
+#include "device/bluetooth/bluetooth_device.h"
+#include "device/bluetooth/bluetooth_device_experimental_chromeos.h"
+#include "device/bluetooth/bluetooth_profile.h"
+#include "device/bluetooth/bluetooth_profile_experimental_chromeos.h"
+#include "device/bluetooth/bluetooth_socket.h"
+#include "device/bluetooth/bluetooth_socket_experimental_chromeos.h"
+#include "net/base/io_buffer.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using device::BluetoothAdapter;
+using device::BluetoothDevice;
+using device::BluetoothProfile;
+using device::BluetoothSocket;
+
+namespace chromeos {
+
+class BluetoothProfileChromeOSTest : public testing::Test {
+ public:
+  BluetoothProfileChromeOSTest()
+      : message_loop_(MessageLoop::TYPE_IO),
+        callback_count_(0),
+        error_callback_count_(0),
+        profile_callback_count_(0),
+        connection_callback_count_(0),
+        last_profile_(NULL),
+        last_device_(NULL) {}
+
+  virtual void SetUp() {
+    if (!CommandLine::ForCurrentProcess()->HasSwitch(
+            chromeos::switches::kEnableExperimentalBluetooth))
+      CommandLine::ForCurrentProcess()->AppendSwitch(
+          chromeos::switches::kEnableExperimentalBluetooth);
+
+    mock_dbus_thread_manager_ =
+        new MockDBusThreadManagerWithoutGMock();
+    DBusThreadManager::InitializeForTesting(mock_dbus_thread_manager_);
+
+    fake_bluetooth_profile_manager_client_ =
+      mock_dbus_thread_manager_->fake_bluetooth_profile_manager_client();
+
+    device::BluetoothAdapterFactory::GetAdapter(
+        base::Bind(&BluetoothProfileChromeOSTest::AdapterCallback,
+                   base::Unretained(this)));
+    ASSERT_TRUE(adapter_ != NULL);
+    ASSERT_TRUE(adapter_->IsInitialized());
+    ASSERT_TRUE(adapter_->IsPresent());
+
+    adapter_->SetPowered(
+        true,
+        base::Bind(&base::DoNothing),
+        base::Bind(&base::DoNothing));
+    ASSERT_TRUE(adapter_->IsPowered());
+  }
+
+  virtual void TearDown() {
+    adapter_ = NULL;
+    DBusThreadManager::Shutdown();
+  }
+
+  void AdapterCallback(scoped_refptr<BluetoothAdapter> adapter) {
+    adapter_ = adapter;
+  }
+
+  void Callback() {
+    ++callback_count_;
+  }
+
+  void ErrorCallback() {
+    ++error_callback_count_;
+
+    message_loop_.Quit();
+  }
+
+  void ProfileCallback(BluetoothProfile* profile) {
+    ++profile_callback_count_;
+    last_profile_ = profile;
+  }
+
+  void ConnectionCallback(const BluetoothDevice *device,
+                          scoped_refptr<BluetoothSocket> socket) {
+    ++connection_callback_count_;
+    last_device_ = device;
+    last_socket_ = socket;
+
+    message_loop_.Quit();
+  }
+
+ protected:
+  base::MessageLoop message_loop_;
+
+  FakeBluetoothProfileManagerClient* fake_bluetooth_profile_manager_client_;
+  MockDBusThreadManagerWithoutGMock* mock_dbus_thread_manager_;
+  scoped_refptr<BluetoothAdapter> adapter_;
+
+  unsigned int callback_count_;
+  unsigned int error_callback_count_;
+  unsigned int profile_callback_count_;
+  unsigned int connection_callback_count_;
+  BluetoothProfile* last_profile_;
+  const BluetoothDevice* last_device_;
+  scoped_refptr<BluetoothSocket> last_socket_;
+};
+
+TEST_F(BluetoothProfileChromeOSTest, L2capEndToEnd) {
+  // Register the profile and expect the profile object to be passed to the
+  // callback.
+  BluetoothProfile::Options options;
+  BluetoothProfile::Register(
+      FakeBluetoothProfileManagerClient::kL2capUuid,
+      options,
+      base::Bind(&BluetoothProfileChromeOSTest::ProfileCallback,
+                 base::Unretained(this)));
+
+  EXPECT_EQ(1U, profile_callback_count_);
+  EXPECT_TRUE(last_profile_ != NULL);
+  BluetoothProfile* profile = last_profile_;
+
+  // Make sure we have a profile service provider for it.
+  FakeBluetoothProfileServiceProvider* profile_service_provider =
+      fake_bluetooth_profile_manager_client_->GetProfileServiceProvider(
+          FakeBluetoothProfileManagerClient::kL2capUuid);
+  EXPECT_TRUE(profile_service_provider != NULL);
+
+  // Register the connection callback.
+  profile->SetConnectionCallback(
+      base::Bind(&BluetoothProfileChromeOSTest::ConnectionCallback,
+                 base::Unretained(this)));
+
+  // Connect to the device, expect the success callback to be called and the
+  // connection callback to be called with the device we passed and a new
+  // socket instance.
+  BluetoothDevice* device = adapter_->GetDevice(
+      FakeBluetoothDeviceClient::kPairedDeviceAddress);
+  ASSERT_TRUE(device != NULL);
+
+  device->ConnectToProfile(
+      profile,
+      base::Bind(&BluetoothProfileChromeOSTest::Callback,
+                 base::Unretained(this)),
+      base::Bind(&BluetoothProfileChromeOSTest::ErrorCallback,
+                 base::Unretained(this)));
+
+  message_loop_.Run();
+
+  EXPECT_EQ(1U, callback_count_);
+  EXPECT_EQ(0U, error_callback_count_);
+
+  EXPECT_EQ(1U, connection_callback_count_);
+  EXPECT_EQ(device, last_device_);
+  EXPECT_TRUE(last_socket_.get() != NULL);
+
+  // Take the ownership of the socket for the remainder of the test and set
+  // up buffers for read/write tests.
+  scoped_refptr<BluetoothSocket> socket = last_socket_;
+  last_socket_ = NULL;
+
+  bool success;
+  scoped_refptr<net::GrowableIOBuffer> read_buffer;
+
+  scoped_refptr<net::StringIOBuffer> base_buffer(
+      new net::StringIOBuffer("test"));
+  scoped_refptr<net::DrainableIOBuffer> write_buffer;
+
+  // Read data from the socket; since no data should be waiting, this should
+  // return success but no data.
+  read_buffer = new net::GrowableIOBuffer;
+  success = socket->Receive(read_buffer);
+  EXPECT_TRUE(success);
+  EXPECT_EQ(0, read_buffer->capacity());
+  EXPECT_EQ(0, read_buffer->offset());
+  EXPECT_EQ("", socket->GetLastErrorMessage());
+
+  // Write data to the socket; the data should be consumed and no bytes should
+  // be remaining.
+  write_buffer = new net::DrainableIOBuffer(base_buffer, base_buffer->size());
+  success = socket->Send(write_buffer);
+  EXPECT_TRUE(success);
+  EXPECT_EQ(base_buffer->size(), write_buffer->BytesConsumed());
+  EXPECT_EQ(0, write_buffer->BytesRemaining());
+  EXPECT_EQ("", socket->GetLastErrorMessage());
+
+  // Read data from the socket; this should match the data we sent since the
+  // server just echoes us. We have to spin here until there is actually data
+  // to read.
+  read_buffer = new net::GrowableIOBuffer;
+  do {
+    success = socket->Receive(read_buffer);
+  } while (success && read_buffer->offset() == 0);
+  EXPECT_TRUE(success);
+  EXPECT_NE(0, read_buffer->capacity());
+  EXPECT_EQ(base_buffer->size(), read_buffer->offset());
+  EXPECT_EQ("", socket->GetLastErrorMessage());
+
+  std::string data = std::string(read_buffer->StartOfBuffer(),
+                                 read_buffer->offset());
+  EXPECT_EQ("test", data);
+
+  // Write data to the socket; since the socket is closed, this should return
+  // an error without writing the data and "Disconnected" as the message.
+  write_buffer = new net::DrainableIOBuffer(base_buffer, base_buffer->size());
+  success = socket->Send(write_buffer);
+  EXPECT_FALSE(success);
+  EXPECT_EQ(0, write_buffer->BytesConsumed());
+  EXPECT_EQ(base_buffer->size(), write_buffer->BytesRemaining());
+  EXPECT_EQ("Disconnected", socket->GetLastErrorMessage());
+
+  // Read data from the socket; since the socket is closed, this should return
+  // an error with "Disconnected" as the last message.
+  read_buffer = new net::GrowableIOBuffer;
+  success = socket->Receive(read_buffer);
+  EXPECT_FALSE(success);
+  EXPECT_EQ(0, read_buffer->capacity());
+  EXPECT_EQ(0, read_buffer->offset());
+  EXPECT_EQ("Disconnected", socket->GetLastErrorMessage());
+
+  // Close our end of the socket.
+  socket = NULL;
+
+  // Unregister the profile, make sure it's no longer registered.
+  last_profile_->Unregister();
+
+  profile_service_provider =
+      fake_bluetooth_profile_manager_client_->GetProfileServiceProvider(
+          FakeBluetoothProfileManagerClient::kL2capUuid);
+  EXPECT_TRUE(profile_service_provider == NULL);
+}
+
+TEST_F(BluetoothProfileChromeOSTest, RfcommEndToEnd) {
+  // Register the profile and expect the profile object to be passed to the
+  // callback.
+  BluetoothProfile::Options options;
+  BluetoothProfile::Register(
+      FakeBluetoothProfileManagerClient::kRfcommUuid,
+      options,
+      base::Bind(&BluetoothProfileChromeOSTest::ProfileCallback,
+                 base::Unretained(this)));
+
+  EXPECT_EQ(1U, profile_callback_count_);
+  EXPECT_TRUE(last_profile_ != NULL);
+  BluetoothProfile* profile = last_profile_;
+
+  // Make sure we have a profile service provider for it.
+  FakeBluetoothProfileServiceProvider* profile_service_provider =
+      fake_bluetooth_profile_manager_client_->GetProfileServiceProvider(
+          FakeBluetoothProfileManagerClient::kRfcommUuid);
+  EXPECT_TRUE(profile_service_provider != NULL);
+
+  // Register the connection callback.
+  profile->SetConnectionCallback(
+      base::Bind(&BluetoothProfileChromeOSTest::ConnectionCallback,
+                 base::Unretained(this)));
+
+  // Connect to the device, expect the success callback to be called and the
+  // connection callback to be called with the device we passed and a new
+  // socket instance.
+  BluetoothDevice* device = adapter_->GetDevice(
+      FakeBluetoothDeviceClient::kPairedDeviceAddress);
+  ASSERT_TRUE(device != NULL);
+
+  device->ConnectToProfile(
+      profile,
+      base::Bind(&BluetoothProfileChromeOSTest::Callback,
+                 base::Unretained(this)),
+      base::Bind(&BluetoothProfileChromeOSTest::ErrorCallback,
+                 base::Unretained(this)));
+
+  message_loop_.Run();
+
+  EXPECT_EQ(1U, callback_count_);
+  EXPECT_EQ(0U, error_callback_count_);
+
+  EXPECT_EQ(1U, connection_callback_count_);
+  EXPECT_EQ(device, last_device_);
+  EXPECT_TRUE(last_socket_.get() != NULL);
+
+  // Take the ownership of the socket for the remainder of the test and set
+  // up buffers for read/write tests.
+  scoped_refptr<BluetoothSocket> socket = last_socket_;
+  last_socket_ = NULL;
+
+  bool success;
+  scoped_refptr<net::GrowableIOBuffer> read_buffer;
+
+  scoped_refptr<net::StringIOBuffer> base_buffer(
+      new net::StringIOBuffer("test"));
+  scoped_refptr<net::DrainableIOBuffer> write_buffer;
+
+  // Read data from the socket; since no data should be waiting, this should
+  // return success but no data.
+  read_buffer = new net::GrowableIOBuffer;
+  success = socket->Receive(read_buffer);
+  EXPECT_TRUE(success);
+  EXPECT_EQ(0, read_buffer->offset());
+  EXPECT_EQ("", socket->GetLastErrorMessage());
+
+  // Write data to the socket; the data should be consumed and no bytes should
+  // be remaining.
+  write_buffer = new net::DrainableIOBuffer(base_buffer, base_buffer->size());
+  success = socket->Send(write_buffer);
+  EXPECT_TRUE(success);
+  EXPECT_EQ(base_buffer->size(), write_buffer->BytesConsumed());
+  EXPECT_EQ(0, write_buffer->BytesRemaining());
+  EXPECT_EQ("", socket->GetLastErrorMessage());
+
+  // Read data from the socket; this should match the data we sent since the
+  // server just echoes us. We have to spin here until there is actually data
+  // to read.
+  read_buffer = new net::GrowableIOBuffer;
+  do {
+    success = socket->Receive(read_buffer);
+  } while (success && read_buffer->offset() == 0);
+  EXPECT_TRUE(success);
+  EXPECT_NE(0, read_buffer->capacity());
+  EXPECT_EQ(base_buffer->size(), read_buffer->offset());
+  EXPECT_EQ("", socket->GetLastErrorMessage());
+
+  std::string data = std::string(read_buffer->StartOfBuffer(),
+                                 read_buffer->offset());
+  EXPECT_EQ("test", data);
+
+  // Write data to the socket; since the socket is closed, this should return
+  // an error without writing the data and "Disconnected" as the message.
+  write_buffer = new net::DrainableIOBuffer(base_buffer, base_buffer->size());
+  success = socket->Send(write_buffer);
+  EXPECT_FALSE(success);
+  EXPECT_EQ(0, write_buffer->BytesConsumed());
+  EXPECT_EQ(base_buffer->size(), write_buffer->BytesRemaining());
+  EXPECT_EQ("Disconnected", socket->GetLastErrorMessage());
+
+  // Read data from the socket; since the socket is closed, this should return
+  // an error with "Disconnected" as the last message.
+  read_buffer = new net::GrowableIOBuffer;
+  success = socket->Receive(read_buffer);
+  EXPECT_FALSE(success);
+  EXPECT_EQ(0, read_buffer->offset());
+  EXPECT_EQ("Disconnected", socket->GetLastErrorMessage());
+
+  // Close our end of the socket.
+  socket = NULL;
+
+  // Unregister the profile, make sure it's no longer registered.
+  last_profile_->Unregister();
+
+  profile_service_provider =
+      fake_bluetooth_profile_manager_client_->GetProfileServiceProvider(
+          FakeBluetoothProfileManagerClient::kRfcommUuid);
+  EXPECT_TRUE(profile_service_provider == NULL);
+}
+
+}  // namespace chromeos
diff --git a/device/bluetooth/bluetooth_profile_experimental_chromeos.cc b/device/bluetooth/bluetooth_profile_experimental_chromeos.cc
new file mode 100644
index 0000000000..2ccea24543
--- /dev/null
+++ b/device/bluetooth/bluetooth_profile_experimental_chromeos.cc
@@ -0,0 +1,259 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "device/bluetooth/bluetooth_profile_experimental_chromeos.h"
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/bind.h"
+#include "base/callback.h"
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "base/message_loop.h"
+#include "base/string_util.h"
+#include "base/task_runner_util.h"
+#include "base/threading/thread_restrictions.h"
+#include "base/threading/worker_pool.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/experimental_bluetooth_profile_manager_client.h"
+#include "chromeos/dbus/experimental_bluetooth_profile_service_provider.h"
+#include "dbus/bus.h"
+#include "dbus/file_descriptor.h"
+#include "dbus/object_path.h"
+#include "device/bluetooth/bluetooth_adapter_experimental_chromeos.h"
+#include "device/bluetooth/bluetooth_adapter_factory.h"
+#include "device/bluetooth/bluetooth_device.h"
+#include "device/bluetooth/bluetooth_device_experimental_chromeos.h"
+#include "device/bluetooth/bluetooth_profile.h"
+#include "device/bluetooth/bluetooth_socket.h"
+#include "device/bluetooth/bluetooth_socket_experimental_chromeos.h"
+
+using device::BluetoothAdapter;
+using device::BluetoothAdapterFactory;
+using device::BluetoothDevice;
+using device::BluetoothProfile;
+using device::BluetoothSocket;
+
+namespace {
+
+// Check the validity of a file descriptor received from D-Bus. Must be run
+// on a thread where i/o is permitted.
+scoped_ptr<dbus::FileDescriptor> CheckValidity(
+    scoped_ptr<dbus::FileDescriptor> fd) {
+  base::ThreadRestrictions::AssertIOAllowed();
+  fd->CheckValidity();
+  return fd.Pass();
+}
+
+}  // namespace
+
+
+namespace chromeos {
+
+BluetoothProfileExperimentalChromeOS::BluetoothProfileExperimentalChromeOS()
+    : weak_ptr_factory_(this) {
+}
+
+BluetoothProfileExperimentalChromeOS::~BluetoothProfileExperimentalChromeOS() {
+  DCHECK(object_path_.value().empty());
+  DCHECK(profile_.get() == NULL);
+}
+
+void BluetoothProfileExperimentalChromeOS::Init(
+    const std::string& uuid,
+    const device::BluetoothProfile::Options& options,
+    const ProfileCallback& callback) {
+  DCHECK(object_path_.value().empty());
+  DCHECK(profile_.get() == NULL);
+
+  if (!BluetoothDevice::IsUUIDValid(uuid)) {
+    callback.Run(NULL);
+    return;
+  }
+
+  uuid_ = uuid;
+
+  ExperimentalBluetoothProfileManagerClient::Options bluetooth_options;
+  bluetooth_options.name = options.name;
+  bluetooth_options.service = uuid;
+  bluetooth_options.channel = options.channel;
+  bluetooth_options.psm = options.psm;
+  bluetooth_options.require_authentication = options.require_authentication;
+  bluetooth_options.require_authorization = options.require_authorization;
+  bluetooth_options.auto_connect = options.auto_connect;
+  bluetooth_options.version = options.version;
+  bluetooth_options.features = options.features;
+
+  // The object path is relatively meaningless, but has to be unique, so we
+  // use the UUID of the profile.
+  std::string uuid_path;
+  ReplaceChars(uuid, ":-", "_", &uuid_path);
+
+  object_path_ = dbus::ObjectPath("/org/chromium/bluetooth_profile/" +
+                                  uuid_path);
+
+  dbus::Bus* system_bus = DBusThreadManager::Get()->GetSystemBus();
+  profile_.reset(ExperimentalBluetoothProfileServiceProvider::Create(
+      system_bus, object_path_, this));
+  DCHECK(profile_.get());
+
+  VLOG(1) << object_path_.value() << ": Register profile";
+  DBusThreadManager::Get()->GetExperimentalBluetoothProfileManagerClient()->
+      RegisterProfile(
+          object_path_,
+          uuid,
+          bluetooth_options,
+          base::Bind(
+              &BluetoothProfileExperimentalChromeOS::OnRegisterProfile,
+              weak_ptr_factory_.GetWeakPtr(),
+              callback),
+          base::Bind(
+              &BluetoothProfileExperimentalChromeOS::OnRegisterProfileError,
+              weak_ptr_factory_.GetWeakPtr(),
+              callback));
+}
+
+void BluetoothProfileExperimentalChromeOS::Unregister() {
+  DCHECK(!object_path_.value().empty());
+  DCHECK(profile_.get());
+
+  profile_.reset();
+
+  VLOG(1) << object_path_.value() << ": Unregister profile";
+  DBusThreadManager::Get()->GetExperimentalBluetoothProfileManagerClient()->
+      UnregisterProfile(
+          object_path_,
+          base::Bind(
+              &BluetoothProfileExperimentalChromeOS::OnUnregisterProfile,
+              weak_ptr_factory_.GetWeakPtr()),
+          base::Bind(
+              &BluetoothProfileExperimentalChromeOS::OnUnregisterProfileError,
+              weak_ptr_factory_.GetWeakPtr()));
+}
+
+void BluetoothProfileExperimentalChromeOS::SetConnectionCallback(
+    const ConnectionCallback& callback) {
+  connection_callback_ = callback;
+}
+
+void BluetoothProfileExperimentalChromeOS::Release() {
+  VLOG(1) << object_path_.value() << ": Release";
+}
+
+void BluetoothProfileExperimentalChromeOS::NewConnection(
+    const dbus::ObjectPath& device_path,
+    scoped_ptr<dbus::FileDescriptor> fd,
+    const ExperimentalBluetoothProfileServiceProvider::Delegate::Options&
+        options,
+    const ConfirmationCallback& callback) {
+  VLOG(1) << object_path_.value() << ": New connection from device: "
+          << device_path.value();;
+  if (connection_callback_.is_null()) {
+    callback.Run(REJECTED);
+    return;
+  }
+
+  // Punt descriptor validity check to a worker thread where i/o is permitted;
+  // on return we'll fetch the adapter and then call the connection callback.
+  //
+  // base::Passed is used to take ownership of the file descriptor during the
+  // CheckValidity() call and pass that ownership to the GetAdapter() call.
+  base::PostTaskAndReplyWithResult(
+      base::WorkerPool::GetTaskRunner(false),
+      FROM_HERE,
+      base::Bind(&CheckValidity, base::Passed(&fd)),
+      base::Bind(&BluetoothProfileExperimentalChromeOS::GetAdapter,
+                 weak_ptr_factory_.GetWeakPtr(),
+                 device_path,
+                 options,
+                 callback));
+}
+
+void BluetoothProfileExperimentalChromeOS::RequestDisconnection(
+    const dbus::ObjectPath& device_path,
+    const ConfirmationCallback& callback) {
+  VLOG(1) << object_path_.value() << ": Request disconnection";
+  callback.Run(SUCCESS);
+}
+
+void BluetoothProfileExperimentalChromeOS::Cancel() {
+  VLOG(1) << object_path_.value() << ": Cancel";
+}
+
+void BluetoothProfileExperimentalChromeOS::OnRegisterProfile(
+    const ProfileCallback& callback) {
+  VLOG(1) << object_path_.value() << ": Profile registered";
+  callback.Run(this);
+}
+
+void BluetoothProfileExperimentalChromeOS::OnRegisterProfileError(
+    const ProfileCallback& callback,
+    const std::string& error_name,
+    const std::string& error_message) {
+  LOG(WARNING) << object_path_.value() << ": Failed to register profile: "
+               << error_name << ": " << error_message;
+  callback.Run(NULL);
+
+  Unregister();
+}
+
+void BluetoothProfileExperimentalChromeOS::OnUnregisterProfile() {
+  VLOG(1) << object_path_.value() << ": Profile unregistered";
+  object_path_ = dbus::ObjectPath("");
+  delete this;
+}
+
+void BluetoothProfileExperimentalChromeOS::OnUnregisterProfileError(
+    const std::string& error_name,
+    const std::string& error_message) {
+  LOG(WARNING) << object_path_.value() << ": Failed to unregister profile: "
+               << error_name << ": " << error_message;
+  object_path_ = dbus::ObjectPath("");
+  delete this;
+}
+
+void BluetoothProfileExperimentalChromeOS::GetAdapter(
+      const dbus::ObjectPath& device_path,
+      const ExperimentalBluetoothProfileServiceProvider::Delegate::Options&
+          options,
+      const ConfirmationCallback& callback,
+      scoped_ptr<dbus::FileDescriptor> fd) {
+  VLOG(1) << object_path_.value() << ": Validity check complete";
+  if (!fd->is_valid()) {
+    callback.Run(REJECTED);
+    return;
+  }
+
+  BluetoothAdapterFactory::GetAdapter(
+      base::Bind(&BluetoothProfileExperimentalChromeOS::OnGetAdapter,
+                 weak_ptr_factory_.GetWeakPtr(),
+                 device_path,
+                 options,
+                 callback,
+                 base::Passed(&fd)));
+}
+
+void BluetoothProfileExperimentalChromeOS::OnGetAdapter(
+    const dbus::ObjectPath& device_path,
+    const ExperimentalBluetoothProfileServiceProvider::Delegate::Options&
+        options,
+    const ConfirmationCallback& callback,
+    scoped_ptr<dbus::FileDescriptor> fd,
+    scoped_refptr<BluetoothAdapter> adapter) {
+  VLOG(1) << object_path_.value() << ": Obtained adapter reference";
+  callback.Run(SUCCESS);
+
+  BluetoothDeviceExperimentalChromeOS* device =
+      static_cast<BluetoothAdapterExperimentalChromeOS*>(adapter.get())->
+          GetDeviceWithPath(device_path);
+  DCHECK(device);
+
+  scoped_refptr<BluetoothSocket> socket((
+      BluetoothSocketExperimentalChromeOS::Create(fd.get())));
+  connection_callback_.Run(device, socket);
+}
+
+}  // namespace chromeos
diff --git a/device/bluetooth/bluetooth_profile_experimental_chromeos.h b/device/bluetooth/bluetooth_profile_experimental_chromeos.h
new file mode 100644
index 0000000000..61d4c44cbb
--- /dev/null
+++ b/device/bluetooth/bluetooth_profile_experimental_chromeos.h
@@ -0,0 +1,132 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef DEVICE_BLUETOOTH_BLUETOOTH_PROFILE_EXPERIMENTAL_CHROMEOS_H_
+#define DEVICE_BLUETOOTH_BLUETOOTH_PROFILE_EXPERIMENTAL_CHROMEOS_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "chromeos/chromeos_export.h"
+#include "chromeos/dbus/experimental_bluetooth_profile_service_provider.h"
+#include "dbus/object_path.h"
+#include "device/bluetooth/bluetooth_profile.h"
+
+namespace dbus {
+
+class FileDescriptor;
+
+}  // namespace dbus
+
+namespace device {
+
+class BluetoothAdapter;
+
+}  // namespace device
+
+namespace chromeos {
+
+// The BluetoothProfileExperimentalChromeOS class implements BluetoothProfile
+// for the Chrome OS platform using the Bluetooth Smart capable backend (there
+// is no implementation for the older backend). It will be renamed to
+// BluetoothProfileChromeOS, once the backend is the sole implementation.
+class CHROMEOS_EXPORT BluetoothProfileExperimentalChromeOS
+    : public device::BluetoothProfile,
+      private ExperimentalBluetoothProfileServiceProvider::Delegate {
+ public:
+  // BluetoothProfile override.
+  virtual void Unregister() OVERRIDE;
+  virtual void SetConnectionCallback(
+      const ConnectionCallback& callback) OVERRIDE;
+
+  // Return the UUID of the profile.
+  const std::string& uuid() const { return uuid_; }
+
+ private:
+  friend class BluetoothProfile;
+
+  BluetoothProfileExperimentalChromeOS();
+  virtual ~BluetoothProfileExperimentalChromeOS();
+
+  // Called by BluetoothProfile::Register to initialize the profile object
+  // asynchronously. |uuid|, |options| and |callback| are the arguments to
+  // BluetoothProfile::Register.
+  void Init(const std::string& uuid,
+            const device::BluetoothProfile::Options& options,
+            const ProfileCallback& callback);
+
+  // ExperimentalBluetoothProfileServiceProvider::Delegate override.
+  virtual void Release() OVERRIDE;
+  virtual void NewConnection(
+      const dbus::ObjectPath& device_path,
+      scoped_ptr<dbus::FileDescriptor> fd,
+      const ExperimentalBluetoothProfileServiceProvider::Delegate::Options&
+          options,
+      const ConfirmationCallback& callback) OVERRIDE;
+  virtual void RequestDisconnection(
+      const dbus::ObjectPath& device_path,
+      const ConfirmationCallback& callback) OVERRIDE;
+  virtual void Cancel() OVERRIDE;
+
+  // Called by dbus:: on completion of the D-Bus method call to register the
+  // profile object.
+  void OnRegisterProfile(const ProfileCallback& callback);
+  void OnRegisterProfileError(const ProfileCallback& callback,
+                              const std::string& error_name,
+                              const std::string& error_message);
+
+  // Called by dbus:: on completion of the D-Bus method call to unregister
+  // the profile object.
+  void OnUnregisterProfile();
+  void OnUnregisterProfileError(const std::string& error_name,
+                                const std::string& error_message);
+
+  // Method run once the file descriptor has been validated in order to get
+  // the default adapter, and method run once the default adapter has been
+  // obtained in order to get the device object to be passed to the connection
+  // callback.
+  //
+  // The |fd| argument is moved compared to the NewConnection() call since it
+  // becomes the result of a PostTaskAndReplyWithResult() call.
+  void GetAdapter(
+      const dbus::ObjectPath& device_path,
+      const ExperimentalBluetoothProfileServiceProvider::Delegate::Options&
+          options,
+      const ConfirmationCallback& callback,
+      scoped_ptr<dbus::FileDescriptor> fd);
+  void OnGetAdapter(
+      const dbus::ObjectPath& device_path,
+      const ExperimentalBluetoothProfileServiceProvider::Delegate::Options&
+          options,
+      const ConfirmationCallback& callback,
+      scoped_ptr<dbus::FileDescriptor> fd,
+      scoped_refptr<device::BluetoothAdapter>);
+
+  // UUID of the profile passed during initialization.
+  std::string uuid_;
+
+  // Object path of the local profile D-Bus object.
+  dbus::ObjectPath object_path_;
+
+  // Local profile D-Bus object used for receiving profile delegate methods
+  // from BlueZ.
+  scoped_ptr<ExperimentalBluetoothProfileServiceProvider> profile_;
+
+  // Callback used on both outgoing and incoming connections to pass the
+  // connected socket to profile object owner.
+  ConnectionCallback connection_callback_;
+
+  // Note: This should remain the last member so it'll be destroyed and
+  // invalidate its weak pointers before any other members are destroyed.
+  base::WeakPtrFactory<BluetoothProfileExperimentalChromeOS> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothProfileExperimentalChromeOS);
+};
+
+}  // namespace chromeos
+
+#endif  // DEVICE_BLUETOOTH_BLUETOOTH_PROFILE_EXPERIMENTAL_CHROMEOS_H_
diff --git a/device/bluetooth/bluetooth_socket_experimental_chromeos.cc b/device/bluetooth/bluetooth_socket_experimental_chromeos.cc
new file mode 100644
index 0000000000..21d281a998
--- /dev/null
+++ b/device/bluetooth/bluetooth_socket_experimental_chromeos.cc
@@ -0,0 +1,170 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "device/bluetooth/bluetooth_socket_experimental_chromeos.h"
+
+#include <errno.h>
+#include <poll.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <string>
+
+#include "base/logging.h"
+#include "base/memory/ref_counted.h"
+#include "base/posix/eintr_wrapper.h"
+#include "base/safe_strerror_posix.h"
+#include "base/threading/thread_restrictions.h"
+#include "dbus/file_descriptor.h"
+#include "device/bluetooth/bluetooth_socket.h"
+#include "net/base/io_buffer.h"
+
+namespace chromeos {
+
+BluetoothSocketExperimentalChromeOS::BluetoothSocketExperimentalChromeOS(
+    int fd)
+    : fd_(fd) {
+  // Fetch the socket type so we read from it correctly.
+  int optval;
+  socklen_t opt_len = sizeof optval;
+  if (getsockopt(fd_, SOL_SOCKET, SO_TYPE, &optval, &opt_len) < 0) {
+    // Sequenced packet is the safest assumption since it won't result in
+    // truncated packets.
+    LOG(WARNING) << "Unable to get socket type: " << safe_strerror(errno);
+    optval = SOCK_SEQPACKET;
+  }
+
+  if (optval == SOCK_DGRAM || optval == SOCK_SEQPACKET) {
+    socket_type_ = L2CAP;
+  } else {
+    socket_type_ = RFCOMM;
+  }
+}
+
+BluetoothSocketExperimentalChromeOS::~BluetoothSocketExperimentalChromeOS() {
+  HANDLE_EINTR(close(fd_));
+}
+
+bool BluetoothSocketExperimentalChromeOS::Receive(
+    net::GrowableIOBuffer *buffer) {
+  base::ThreadRestrictions::AssertIOAllowed();
+
+  if (socket_type_ == L2CAP) {
+    int count;
+    if (ioctl(fd_, FIONREAD, &count) < 0) {
+      error_message_ = safe_strerror(errno);
+      LOG(WARNING) << "Unable to get waiting data size: " << error_message_;
+      return true;
+    }
+
+    // No bytes waiting can mean either nothing to read, or the other end has
+    // been closed, and reading zero bytes always returns zero.
+    //
+    // We can't do a short read for fear of a race where data arrives between
+    // calls and we trunctate it. So use poll() to check for the POLLHUP flag.
+    if (count == 0) {
+      struct pollfd pollfd;
+
+      pollfd.fd = fd_;
+      pollfd.events = 0;
+      pollfd.revents = 0;
+
+      // Timeout parameter set to 0 so this call will not block.
+      if (HANDLE_EINTR(poll(&pollfd, 1, 0)) < 0) {
+        error_message_ = safe_strerror(errno);
+        LOG(WARNING) << "Unable to check whether socket is closed: "
+                     << error_message_;
+        return false;
+      }
+
+      if (pollfd.revents & POLLHUP) {
+        // TODO(keybuk, youngki): Agree a common way to flag disconnected.
+        error_message_ = "Disconnected";
+        return false;
+      }
+    }
+
+    buffer->SetCapacity(count);
+  } else {
+    buffer->SetCapacity(1024);
+  }
+
+  ssize_t bytes_read;
+  do {
+    if (buffer->RemainingCapacity() == 0)
+      buffer->SetCapacity(buffer->capacity() * 2);
+    bytes_read =
+        HANDLE_EINTR(read(fd_, buffer->data(), buffer->RemainingCapacity()));
+    if (bytes_read > 0)
+      buffer->set_offset(buffer->offset() + bytes_read);
+  } while (socket_type_ == RFCOMM && bytes_read > 0);
+
+  // Ignore an error if at least one read() call succeeded; it'll be returned
+  // the next read() call.
+  if (buffer->offset() > 0)
+    return true;
+
+  if (bytes_read < 0) {
+    if (errno == ECONNRESET || errno == ENOTCONN) {
+      // TODO(keybuk, youngki): Agree a common way to flag disconnected.
+      error_message_ = "Disconnected";
+      return false;
+    } else if (errno != EAGAIN && errno != EWOULDBLOCK) {
+      error_message_ = safe_strerror(errno);
+      return false;
+    }
+  }
+
+  if (bytes_read == 0 && socket_type_ == RFCOMM) {
+    // TODO(keybuk, youngki): Agree a common way to flag disconnected.
+    error_message_ = "Disconnected";
+    return false;
+  }
+
+  return true;
+}
+
+bool BluetoothSocketExperimentalChromeOS::Send(
+    net::DrainableIOBuffer *buffer) {
+  base::ThreadRestrictions::AssertIOAllowed();
+
+  ssize_t bytes_written;
+  do {
+    bytes_written =
+        HANDLE_EINTR(write(fd_, buffer->data(), buffer->BytesRemaining()));
+    if (bytes_written > 0)
+      buffer->DidConsume(bytes_written);
+  } while (buffer->BytesRemaining() > 0 && bytes_written > 0);
+
+  if (bytes_written < 0) {
+    if (errno == EPIPE || errno == ECONNRESET || errno == ENOTCONN) {
+      // TODO(keybuk, youngki): Agree a common way to flag disconnected.
+      error_message_ = "Disconnected";
+      return false;
+    } else if (errno != EAGAIN && errno != EWOULDBLOCK) {
+      error_message_ = safe_strerror(errno);
+      return false;
+    }
+  }
+
+  return true;
+}
+
+std::string BluetoothSocketExperimentalChromeOS::GetLastErrorMessage() const {
+  return error_message_;
+}
+
+// static
+scoped_refptr<device::BluetoothSocket>
+BluetoothSocketExperimentalChromeOS::Create(dbus::FileDescriptor* fd) {
+  DCHECK(fd->is_valid());
+
+  BluetoothSocketExperimentalChromeOS* bluetooth_socket =
+      new BluetoothSocketExperimentalChromeOS(fd->TakeValue());;
+  return scoped_refptr<BluetoothSocketExperimentalChromeOS>(bluetooth_socket);
+}
+
+}  // namespace chromeos
diff --git a/device/bluetooth/bluetooth_socket_experimental_chromeos.h b/device/bluetooth/bluetooth_socket_experimental_chromeos.h
new file mode 100644
index 0000000000..c0e1af0b06
--- /dev/null
+++ b/device/bluetooth/bluetooth_socket_experimental_chromeos.h
@@ -0,0 +1,75 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_EXPERIMENTAL_CHROMEOS_H_
+#define DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_EXPERIMENTAL_CHROMEOS_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+#include "chromeos/chromeos_export.h"
+#include "device/bluetooth/bluetooth_socket.h"
+
+namespace dbus {
+
+class FileDescriptor;
+
+}  // namespace dbus
+
+namespace net {
+
+class DrainableIOBuffer;
+class GrowableIOBuffer;
+
+}  // namespace net
+
+namespace chromeos {
+
+// The BluetoothSocketExperimentalChromeOS class is an alternate implementation
+// of BluetoothSocket for the Chrome OS platform using the Bluetooth Smart
+// capable backend. It will become the sole implementation for Chrome OS, and
+// be renamed to BluetoothSocketChromeOS, once the backend is switched.
+class CHROMEOS_EXPORT BluetoothSocketExperimentalChromeOS
+    : public device::BluetoothSocket {
+ public:
+  // BluetoothSocket override.
+  virtual bool Receive(net::GrowableIOBuffer* buffer) OVERRIDE;
+  virtual bool Send(net::DrainableIOBuffer* buffer) OVERRIDE;
+  virtual std::string GetLastErrorMessage() const OVERRIDE;
+
+  // Create an instance of a BluetoothSocket from the passed file descriptor
+  // received over D-Bus in |fd|, the descriptor will be taken from that object
+  // and ownership passed to the returned object.
+  static scoped_refptr<device::BluetoothSocket> Create(
+      dbus::FileDescriptor* fd);
+
+ protected:
+  virtual ~BluetoothSocketExperimentalChromeOS();
+
+ private:
+  BluetoothSocketExperimentalChromeOS(int fd);
+
+  // The different socket types have different reading patterns; l2cap sockets
+  // have to be read with boundaries between datagrams preserved while rfcomm
+  // sockets do not.
+  enum SocketType {
+    L2CAP,
+    RFCOMM
+  };
+
+  // File descriptor and socket type of the socket.
+  const int fd_;
+  SocketType socket_type_;
+
+  // Last error message, set during Receive() and Send() and retrieved using
+  // GetLastErrorMessage().
+  std::string error_message_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothSocketExperimentalChromeOS);
+};
+
+}  // namespace chromeos
+
+#endif  // DEVICE_BLUETOOTH_BLUETOOTH_SOCKET_EXPERIMENTAL_CHROMEOS_H_
diff --git a/device/device.gyp b/device/device.gyp
index 12de0c438f..68cb89d6a5 100644
--- a/device/device.gyp
+++ b/device/device.gyp
@@ -46,6 +46,8 @@
         'bluetooth/bluetooth_out_of_band_pairing_data.h',
         'bluetooth/bluetooth_profile.cc',
         'bluetooth/bluetooth_profile.h',
+        'bluetooth/bluetooth_profile_experimental_chromeos.cc',
+        'bluetooth/bluetooth_profile_experimental_chromeos.h',
         'bluetooth/bluetooth_profile_mac.h',
         'bluetooth/bluetooth_profile_mac.mm',
         'bluetooth/bluetooth_profile_win.cc',
@@ -61,6 +63,8 @@
         'bluetooth/bluetooth_socket.h',
         'bluetooth/bluetooth_socket_chromeos.cc',
         'bluetooth/bluetooth_socket_chromeos.h',
+        'bluetooth/bluetooth_socket_experimental_chromeos.cc',
+        'bluetooth/bluetooth_socket_experimental_chromeos.h',
         'bluetooth/bluetooth_socket_mac.h',
         'bluetooth/bluetooth_socket_mac.mm',
         'bluetooth/bluetooth_socket_win.cc',
@@ -173,6 +177,7 @@
         'bluetooth/bluetooth_adapter_win_unittest.cc',
         'bluetooth/bluetooth_device_win_unittest.cc',
         'bluetooth/bluetooth_experimental_chromeos_unittest.cc',
+        'bluetooth/bluetooth_profile_chromeos_unittest.cc',
         'bluetooth/bluetooth_service_record_chromeos_unittest.cc',
         'bluetooth/bluetooth_service_record_mac_unittest.mm',
         'bluetooth/bluetooth_service_record_win_unittest.cc',