Android media: VideoFrame should not store so many sync points.

content/renderer/media/webmediaplayer_impl.cc

Index: content/renderer/media/webmediaplayer_impl.cc
diff --git a/content/renderer/media/webmediaplayer_impl.cc b/content/renderer/media/webmediaplayer_impl.cc
index a6b0fd96e7ed66b2a6f31b8691fa009709662e88..c48e67aa0862bd1c989a5a227e5087f1373903db 100644
--- a/content/renderer/media/webmediaplayer_impl.cc
+++ b/content/renderer/media/webmediaplayer_impl.cc
@@ -118,6 +118,23 @@ const double kMaxRate = 16.0;
 // Prefix for histograms related to Encrypted Media Extensions.
 const char* kMediaEme = "Media.EME.";
 
+class SyncPointClientImpl : public media::VideoFrame::SyncPointClient {
+ public:
+  explicit SyncPointClientImpl(
+      blink::WebGraphicsContext3D* web_graphics_context)
+      : web_graphics_context_(web_graphics_context) {}
+  virtual ~SyncPointClientImpl() {}
+  virtual uint32 InsertSyncPoint() OVERRIDE {
+    return web_graphics_context_->insertSyncPoint();
+  }
+  virtual void WaitSyncPoint(uint32 sync_point) OVERRIDE {
+    web_graphics_context_->waitSyncPoint(sync_point);
+  }
+
+ private:
+  blink::WebGraphicsContext3D* web_graphics_context_;
+};
+
 }  // namespace
 
 namespace content {
@@ -652,7 +669,9 @@ bool WebMediaPlayerImpl::copyVideoTextureToPlatformTexture(
 
   web_graphics_context->deleteTexture(source_texture);
   web_graphics_context->flush();
-  video_frame->AppendReleaseSyncPoint(web_graphics_context->insertSyncPoint());
+
+  SyncPointClientImpl client(web_graphics_context);
+  video_frame->UpdateReleaseSyncPoint(&client);
   return true;
 }