Use std::unique_ptr<> to pass frame ownership in DesktopCapturer impls.

webrtc/modules/desktop_capture/desktop_frame_win.h

Index: webrtc/modules/desktop_capture/desktop_frame_win.h
diff --git a/webrtc/modules/desktop_capture/desktop_frame_win.h b/webrtc/modules/desktop_capture/desktop_frame_win.h
index 3513e14ffb7954884b9726563b930434103bbddd..3defb27452a108c3f95fdda8fdd2674ba1ab0309 100644
--- a/webrtc/modules/desktop_capture/desktop_frame_win.h
+++ b/webrtc/modules/desktop_capture/desktop_frame_win.h
@@ -26,9 +26,8 @@ namespace webrtc {
 class DesktopFrameWin : public DesktopFrame {
  public:
   virtual ~DesktopFrameWin();
-  static DesktopFrameWin* Create(DesktopSize size,
-                                 SharedMemoryFactory* shared_memory_factory,
-                                 HDC hdc);
+  static std::unique_ptr<DesktopFrameWin>
+  Create(DesktopSize size, SharedMemoryFactory* shared_memory_factory, HDC hdc);

[Wez, 2016/05/18 01:29:50]

Wrapping looks weird; is this what cl format did?

If this is the correct wrapping then please put a blank line between the dtor
and this definition, to aid readability.

[Sergey Ulanov, 2016/05/31 12:02:48]

yes
done.

 
   HBITMAP bitmap() { return bitmap_; }