1 files changed, 0 insertions, 175 deletions
diff --git a/base/memory/shared_memory_nacl.cc b/base/memory/shared_memory_nacl.cc
deleted file mode 100644
index 26dd4a380d..0000000000
--- a/base/memory/shared_memory_nacl.cc
+++ /dev/null
@@ -1,175 +0,0 @@
-// Copyright (c) 2012 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/memory/shared_memory.h"
-
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <unistd.h>
-
-#include <limits>
-
-#include "base/logging.h"
-
-namespace base {
-
-SharedMemory::SharedMemory()
-    : mapped_file_(-1),
-      mapped_size_(0),
-      memory_(NULL),
-      read_only_(false),
-      requested_size_(0) {
-}
-
-SharedMemory::SharedMemory(SharedMemoryHandle handle, bool read_only)
-    : mapped_file_(handle.fd),
-      mapped_size_(0),
-      memory_(NULL),
-      read_only_(read_only),
-      requested_size_(0) {
-}
-
-SharedMemory::SharedMemory(SharedMemoryHandle handle, bool read_only,
-                           ProcessHandle process)
-    : mapped_file_(handle.fd),
-      mapped_size_(0),
-      memory_(NULL),
-      read_only_(read_only),
-      requested_size_(0) {
-  NOTREACHED();
-}
-
-SharedMemory::~SharedMemory() {
-  Unmap();
-  Close();
-}
-
-// static
-bool SharedMemory::IsHandleValid(const SharedMemoryHandle& handle) {
-  return handle.fd >= 0;
-}
-
-// static
-SharedMemoryHandle SharedMemory::NULLHandle() {
-  return SharedMemoryHandle();
-}
-
-// static
-void SharedMemory::CloseHandle(const SharedMemoryHandle& handle) {
-  DCHECK_GE(handle.fd, 0);
-  if (close(handle.fd) < 0)
-    DPLOG(ERROR) << "close";
-}
-
-// static
-SharedMemoryHandle SharedMemory::DuplicateHandle(
-    const SharedMemoryHandle& handle) {
-  int duped_handle = HANDLE_EINTR(dup(handle.fd));
-  if (duped_handle < 0)
-    return base::SharedMemory::NULLHandle();
-  return base::FileDescriptor(duped_handle, true);
-}
-
-bool SharedMemory::CreateAndMapAnonymous(size_t size) {
-  // Untrusted code can't create descriptors or handles.
-  return false;
-}
-
-bool SharedMemory::Create(const SharedMemoryCreateOptions& options) {
-  // Untrusted code can't create descriptors or handles.
-  return false;
-}
-
-bool SharedMemory::Delete(const std::string& name) {
-  return false;
-}
-
-bool SharedMemory::Open(const std::string& name, bool read_only) {
-  return false;
-}
-
-bool SharedMemory::MapAt(off_t offset, size_t bytes) {
-  if (mapped_file_ == -1)
-    return false;
-
-  if (bytes > static_cast<size_t>(std::numeric_limits<int>::max()))
-    return false;
-
-  if (memory_)
-    return false;
-
-  memory_ = mmap(NULL, bytes, PROT_READ | (read_only_ ? 0 : PROT_WRITE),
-                 MAP_SHARED, mapped_file_, offset);
-
-  bool mmap_succeeded = memory_ != MAP_FAILED && memory_ != NULL;
-  if (mmap_succeeded) {
-    mapped_size_ = bytes;
-    DCHECK_EQ(0U, reinterpret_cast<uintptr_t>(memory_) &
-        (SharedMemory::MAP_MINIMUM_ALIGNMENT - 1));
-  } else {
-    memory_ = NULL;
-  }
-
-  return mmap_succeeded;
-}
-
-bool SharedMemory::Unmap() {
-  if (memory_ == NULL)
-    return false;
-
-  if (munmap(memory_, mapped_size_) < 0)
-    DPLOG(ERROR) << "munmap";
-  memory_ = NULL;
-  mapped_size_ = 0;
-  return true;
-}
-
-SharedMemoryHandle SharedMemory::handle() const {
-  return FileDescriptor(mapped_file_, false);
-}
-
-void SharedMemory::Close() {
-  if (mapped_file_ > 0) {
-    if (close(mapped_file_) < 0)
-      DPLOG(ERROR) << "close";
-    mapped_file_ = -1;
-  }
-}
-
-void SharedMemory::LockDeprecated() {
-  NOTIMPLEMENTED();
-}
-
-void SharedMemory::UnlockDeprecated() {
-  NOTIMPLEMENTED();
-}
-
-bool SharedMemory::ShareToProcessCommon(ProcessHandle process,
-                                        SharedMemoryHandle *new_handle,
-                                        bool close_self,
-                                        ShareMode share_mode) {
-  if (share_mode == SHARE_READONLY) {
-    // Untrusted code can't create descriptors or handles, which is needed to
-    // drop permissions.
-    return false;
-  }
-  const int new_fd = dup(mapped_file_);
-  if (new_fd < 0) {
-    DPLOG(ERROR) << "dup() failed.";
-    return false;
-  }
-
-  new_handle->fd = new_fd;
-  new_handle->auto_close = true;
-
-  if (close_self) {
-    Unmap();
-    Close();
-  }
-  return true;
-}
-
-}  // namespace base