Cleanup shared memory handling in DesktopCapturer interface.

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 15b5883c36fa63642f7cf273b959fb39e6ea9425..fffaeab54e3fb098a1e34e924d882ae9144a78c2 100644
--- a/webrtc/modules/desktop_capture/desktop_frame_win.h
+++ b/webrtc/modules/desktop_capture/desktop_frame_win.h
@@ -25,7 +25,7 @@ class DesktopFrameWin : public DesktopFrame {
  public:
   virtual ~DesktopFrameWin();
   static DesktopFrameWin* Create(DesktopSize size,
-                                 SharedMemory* shared_memory,
+                                 SharedMemoryFactory* shared_memory_factory,
                                  HDC hdc);
 
   HBITMAP bitmap() { return bitmap_; }
@@ -34,7 +34,7 @@ class DesktopFrameWin : public DesktopFrame {
   DesktopFrameWin(DesktopSize size,
                   int stride,
                   uint8_t* data,
-                  SharedMemory* shared_memory,
+                  rtc::scoped_ptr<SharedMemory> shared_memory,
                   HBITMAP bitmap);
 
   HBITMAP bitmap_;