Cleanup shared memory handling in DesktopCapturer interface.

webrtc/modules/desktop_capture/desktop_and_cursor_composer.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 118 matching lines @@
 
 DesktopAndCursorComposer::~DesktopAndCursorComposer() {}
 
 void DesktopAndCursorComposer::Start(DesktopCapturer::Callback* callback) {
   callback_ = callback;
   if (mouse_monitor_.get())
     mouse_monitor_->Init(this, MouseCursorMonitor::SHAPE_AND_POSITION);
   desktop_capturer_->Start(this);
 }
 
+void DesktopAndCursorComposer::SetSharedMemoryFactory(
+    rtc::scoped_ptr<SharedMemoryFactory> shared_memory_factory) {
+  desktop_capturer_->SetSharedMemoryFactory(std::move(shared_memory_factory));
+}
+
 void DesktopAndCursorComposer::Capture(const DesktopRegion& region) {
   if (mouse_monitor_.get())
     mouse_monitor_->Capture();
   desktop_capturer_->Capture(region);
 }
 
 void DesktopAndCursorComposer::SetExcludedWindow(WindowId window) {
   desktop_capturer_->SetExcludedWindow(window);
 }
 
-SharedMemory* DesktopAndCursorComposer::CreateSharedMemory(size_t size) {
-  return callback_->CreateSharedMemory(size);
-}
-
 void DesktopAndCursorComposer::OnCaptureCompleted(DesktopFrame* frame) {
   if (frame && cursor_.get() && cursor_state_ == MouseCursorMonitor::INSIDE) {
     DesktopFrameWithCursor* frame_with_cursor =
         new DesktopFrameWithCursor(frame, *cursor_, cursor_position_);
     frame = frame_with_cursor;
   }
 
   callback_->OnCaptureCompleted(frame);
 }
 
 void DesktopAndCursorComposer::OnMouseCursor(MouseCursor* cursor) {
   cursor_.reset(cursor);
 }
 
 void DesktopAndCursorComposer::OnMouseCursorPosition(
     MouseCursorMonitor::CursorState state,
     const DesktopVector& position) {
   cursor_state_ = state;
   cursor_position_ = position;
 }
 
 }  // namespace webrtc