Revert "libmojo: Uprev the library to r456626 from Chromium"

This reverts commit 8ac9103e05b66812c25348943383f9365d1ce3e0.

Reason for revert: Broke the mac_sdk
Exempt-From-Owner-Approval: Fixing mac_sdk

Change-Id: I0b74d1abaa66933a93fd6f82ff018e8948c1204e

1 files changed, 26 insertions, 34 deletions

diff --git a/mojo/public/cpp/bindings/associated_group_controller.h b/mojo/public/cpp/bindings/associated_group_controller.h
index d33c277..0ab8253 100644
--- a/mojo/public/cpp/bindings/associated_group_controller.h
+++ b/mojo/public/cpp/bindings/associated_group_controller.h
@@ -9,47 +9,41 @@
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/optional.h"
+#include "base/memory/ref_counted_delete_on_message_loop.h"
 #include "base/single_thread_task_runner.h"
-#include "mojo/public/cpp/bindings/bindings_export.h"
-#include "mojo/public/cpp/bindings/disconnect_reason.h"
 #include "mojo/public/cpp/bindings/interface_id.h"
 #include "mojo/public/cpp/bindings/scoped_interface_endpoint_handle.h"
 
 namespace mojo {
 
+class AssociatedGroup;
 class InterfaceEndpointClient;
 class InterfaceEndpointController;
 
-// An internal interface used to manage endpoints within an associated group,
-// which corresponds to one end of a message pipe.
-class MOJO_CPP_BINDINGS_EXPORT AssociatedGroupController
-    : public base::RefCountedThreadSafe<AssociatedGroupController> {
+// An internal interface used to manage endpoints within an associated group.
+class AssociatedGroupController :
+    public base::RefCountedDeleteOnMessageLoop<AssociatedGroupController> {
  public:
-  // Associates an interface with this AssociatedGroupController's message pipe.
-  // It takes ownership of |handle_to_send| and returns an interface ID that
-  // could be sent by any endpoints within the same associated group.
-  // If |handle_to_send| is not in pending association state, it returns
-  // kInvalidInterfaceId. Otherwise, the peer handle of |handle_to_send| joins
-  // the associated group and is no longer pending.
-  virtual InterfaceId AssociateInterface(
-      ScopedInterfaceEndpointHandle handle_to_send) = 0;
+  explicit AssociatedGroupController(
+      scoped_refptr<base::SingleThreadTaskRunner> task_runner);
+
+  // Creates a pair of interface endpoint handles. The method generates a new
+  // interface ID and assigns it to the two handles. |local_endpoint| is used
+  // locally; while |remote_endpoint| is sent over the message pipe.
+  virtual void CreateEndpointHandlePair(
+      ScopedInterfaceEndpointHandle* local_endpoint,
+      ScopedInterfaceEndpointHandle* remote_endpoint) = 0;
 
   // Creates an interface endpoint handle from a given interface ID. The handle
-  // joins this associated group.
+  // is used locally.
   // Typically, this method is used to (1) create an endpoint handle for the
   // master interface; or (2) create an endpoint handle on receiving an
   // interface ID from the message pipe.
-  //
-  // On failure, the method returns an invalid handle. Usually that is because
-  // the ID has already been used to create a handle.
   virtual ScopedInterfaceEndpointHandle CreateLocalEndpointHandle(
       InterfaceId id) = 0;
 
   // Closes an interface endpoint handle.
-  virtual void CloseEndpointHandle(
-      InterfaceId id,
-      const base::Optional<DisconnectReason>& reason) = 0;
+  virtual void CloseEndpointHandle(InterfaceId id, bool is_local) = 0;
 
   // Attaches a client to the specified endpoint to send and receive messages.
   // The returned object is still owned by the controller. It must only be used
@@ -69,23 +63,21 @@ class MOJO_CPP_BINDINGS_EXPORT AssociatedGroupController
   // and notifies all interfaces running on this pipe.
   virtual void RaiseError() = 0;
 
+  std::unique_ptr<AssociatedGroup> CreateAssociatedGroup();
+
  protected:
-  friend class base::RefCountedThreadSafe<AssociatedGroupController>;
+  friend class base::RefCountedDeleteOnMessageLoop<AssociatedGroupController>;
+  friend class base::DeleteHelper<AssociatedGroupController>;
 
-  // Creates a new ScopedInterfaceEndpointHandle within this associated group.
+  // Creates a new ScopedInterfaceEndpointHandle associated with this
+  // controller.
   ScopedInterfaceEndpointHandle CreateScopedInterfaceEndpointHandle(
-      InterfaceId id);
-
-  // Notifies that the interface represented by |handle_to_send| and its peer
-  // has been associated with this AssociatedGroupController's message pipe, and
-  // |handle_to_send|'s peer has joined this associated group. (Note: it is the
-  // peer who has joined the associated group; |handle_to_send| will be sent to
-  // the remote side.)
-  // Returns false if |handle_to_send|'s peer has closed.
-  bool NotifyAssociation(ScopedInterfaceEndpointHandle* handle_to_send,
-                         InterfaceId id);
+      InterfaceId id,
+      bool is_local);
 
   virtual ~AssociatedGroupController();
+
+  DISALLOW_COPY_AND_ASSIGN(AssociatedGroupController);
 };
 
 }  // namespace mojo