Cleanup shared memory handling in DesktopCapturer interface.

webrtc/modules/desktop_capture/cropping_window_capturer.cc

 /*
  *  Copyright (c) 2014 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 13 matching lines @@
       excluded_window_(kNullWindowId) {
 }
 
 CroppingWindowCapturer::~CroppingWindowCapturer() {}
 
 void CroppingWindowCapturer::Start(DesktopCapturer::Callback* callback) {
   callback_ = callback;
   window_capturer_->Start(callback);
 }
 
+void CroppingWindowCapturer::SetSharedMemoryFactory(
+    rtc::scoped_ptr<SharedMemoryFactory> shared_memory_factory) {
+  window_capturer_->SetSharedMemoryFactory(std::move(shared_memory_factory));
+}
+
 void CroppingWindowCapturer::Capture(const DesktopRegion& region) {
   if (ShouldUseScreenCapturer()) {
     if (!screen_capturer_.get()) {
       screen_capturer_.reset(ScreenCapturer::Create(options_));
       if (excluded_window_) {
         screen_capturer_->SetExcludedWindow(excluded_window_);
       }
       screen_capturer_->Start(this);
     }
     screen_capturer_->Capture(region);
@@ skipping 18 matching lines @@
     selected_window_ = id;
     return true;
   }
   return false;
 }
 
 bool CroppingWindowCapturer::BringSelectedWindowToFront() {
   return window_capturer_->BringSelectedWindowToFront();
 }
 
-SharedMemory* CroppingWindowCapturer::CreateSharedMemory(size_t size) {
-  return callback_->CreateSharedMemory(size);
-}
-
 void CroppingWindowCapturer::OnCaptureCompleted(DesktopFrame* frame) {
   rtc::scoped_ptr<DesktopFrame> screen_frame(frame);
 
   if (!ShouldUseScreenCapturer()) {
     LOG(LS_INFO) << "Window no longer on top when ScreenCapturer finishes";
     window_capturer_->Capture(DesktopRegion());
     return;
   }
 
   if (!frame) {
@@ skipping 16 matching lines @@
 
 #if !defined(WEBRTC_WIN)
 // static
 WindowCapturer*
 CroppingWindowCapturer::Create(const DesktopCaptureOptions& options) {
   return WindowCapturer::Create(options);
 }
 #endif
 
 }  // namespace webrtc