Enable Cyclic Refresh for VP9.

remoting/codec/video_encoder_vpx.h

Index: remoting/codec/video_encoder_vpx.h
diff --git a/remoting/codec/video_encoder_vpx.h b/remoting/codec/video_encoder_vpx.h
index a7433a16d9b7068ffa8da54c03b4db47654c94b6..9e7fd90a3689aecd47d6497afdd19325b120889f 100644
--- a/remoting/codec/video_encoder_vpx.h
+++ b/remoting/codec/video_encoder_vpx.h
@@ -47,7 +47,10 @@ class VideoEncoderVpx : public VideoEncoder {
 
   // Updates the active map according to |updated_region|. Active map is then
   // given to the encoder to speed up encoding.
-  void PrepareActiveMap(const webrtc::DesktopRegion& updated_region);
+  void SetActiveMapFromRegion(const webrtc::DesktopRegion& updated_region);
+
+  // Updates the active map to revealing areas updated by cyclic refresh.

[Wez, 2015/04/21 01:29:18]

Suggest: "Adds areas changed in the most recent frame to |updated_region|. This
includes both content changes and areas sharpened by cyclic refresh."

[aconverse, 2015/04/28 17:03:56]

Done.

+  void UpdateRegionFromActiveMap(webrtc::DesktopRegion* updated_region);
 
   // True if the encoder is for VP9, false for VP8.
   const bool use_vp9_;