Cleanup webrtc/modules/desktop_capture

webrtc/modules/desktop_capture/win/screen_capturer_win_gdi.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 18 matching lines @@
 namespace webrtc {
 
 namespace {
 
 // Constants from dwmapi.h.
 const UINT DWM_EC_DISABLECOMPOSITION = 0;
 const UINT DWM_EC_ENABLECOMPOSITION = 1;
 
 const wchar_t kDwmapiLibraryName[] = L"dwmapi.dll";
 
-// SharedMemoryFactory that creates SharedMemory using the deprecated
-// DesktopCapturer::Callback::CreateSharedMemory().
-class CallbackSharedMemoryFactory : public SharedMemoryFactory {
- public:
-  CallbackSharedMemoryFactory(DesktopCapturer::Callback* callback)
-      : callback_(callback) {}
-  ~CallbackSharedMemoryFactory() override {}
-
-  rtc::scoped_ptr<SharedMemory> CreateSharedMemory(size_t size) override {
-    return rtc::scoped_ptr<SharedMemory>(callback_->CreateSharedMemory(size));
-  }
-
- private:
-  DesktopCapturer::Callback* callback_;
-};
-
 }  // namespace
 
 ScreenCapturerWinGdi::ScreenCapturerWinGdi(const DesktopCaptureOptions& options)
     : callback_(NULL),
       current_screen_id_(kFullDesktopScreenId),
       desktop_dc_(NULL),
       memory_dc_(NULL),
       dwmapi_library_(NULL),
       composition_func_(NULL),
       set_thread_execution_state_failed_(false) {
@@ skipping 100 matching lines @@
   if (valid)
     current_screen_id_ = id;
   return valid;
 }
 
 void ScreenCapturerWinGdi::Start(Callback* callback) {
   assert(!callback_);
   assert(callback);
 
   callback_ = callback;
-  if (!shared_memory_factory_)
-    shared_memory_factory_.reset(new CallbackSharedMemoryFactory(callback));
 
   // Vote to disable Aero composited desktop effects while capturing. Windows
   // will restore Aero automatically if the process exits. This has no effect
   // under Windows 8 or higher.  See crbug.com/124018.
   if (composition_func_)
     (*composition_func_)(DWM_EC_DISABLECOMPOSITION);
 }
 
 void ScreenCapturerWinGdi::PrepareCaptureResources() {
   // Switch to the desktop receiving user input if different from the current
@@ skipping 96 matching lines @@
            SRCCOPY | CAPTUREBLT);
 
     // Select back the previously selected object to that the device contect
     // could be destroyed independently of the bitmap if needed.
     SelectObject(memory_dc_, previous_object);
   }
   return true;
 }
 
 }  // namespace webrtc