Remove VideoRendererInterface::CanApplyRotation()

talk/app/webrtc/videotrackrenderers.h

 /*
  * libjingle
  * Copyright 2012 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 10 matching lines @@
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef TALK_APP_WEBRTC_VIDEOTRACKRENDERERS_H_
 #define TALK_APP_WEBRTC_VIDEOTRACKRENDERERS_H_
 
-#include <vector>
+#include <set>
 
 #include "talk/app/webrtc/mediastreaminterface.h"
 #include "talk/media/base/videorenderer.h"
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/scoped_ptr.h"
 
 namespace webrtc {
 
 // Class used for rendering cricket::VideoFrames to multiple renderers of type
 // VideoRendererInterface.
 // Each VideoTrack owns a VideoTrackRenderers instance.
 // The class is thread safe. Rendering to the added VideoRendererInterfaces is
 // done on the same thread as the cricket::VideoRenderer.
 class VideoTrackRenderers : public cricket::VideoRenderer {
  public:
   VideoTrackRenderers();
   ~VideoTrackRenderers();
 
   // Implements cricket::VideoRenderer
   virtual bool SetSize(int width, int height, int reserved);
   virtual bool RenderFrame(const cricket::VideoFrame* frame);
 
   void AddRenderer(VideoRendererInterface* renderer);
   void RemoveRenderer(VideoRendererInterface* renderer);
   void SetEnabled(bool enable);
 
  private:
-  struct RenderObserver {
-    explicit RenderObserver(VideoRendererInterface* renderer)
-        : renderer_(renderer),
-          can_apply_rotation_(renderer->CanApplyRotation()) {}
-    VideoRendererInterface* renderer_;
-    bool can_apply_rotation_;
-  };
-
   bool enabled_;
-  std::vector<RenderObserver> renderers_;
+  std::set<VideoRendererInterface*> renderers_;
 
   rtc::CriticalSection critical_section_;  // Protects the above variables
 };
 
 }  // namespace webrtc
 
 #endif  // TALK_APP_WEBRTC_VIDEOTRACKRENDERERS_H_