ui: Cleanup class/struct forward declarations

remoting/protocol/webrtc_video_renderer_adapter.h

Index: remoting/protocol/webrtc_video_renderer_adapter.h
diff --git a/remoting/protocol/webrtc_video_renderer_adapter.h b/remoting/protocol/webrtc_video_renderer_adapter.h
index dec60f8a4f88982dbe224c361b18d270f94ff369..dbbb13644216f9e3b72bd0af7508186b7695b7d2 100644
--- a/remoting/protocol/webrtc_video_renderer_adapter.h
+++ b/remoting/protocol/webrtc_video_renderer_adapter.h
@@ -35,7 +35,7 @@ struct ClientFrameStats;
 struct HostFrameStats;
 
 class WebrtcVideoRendererAdapter
-    : public rtc::VideoSinkInterface<cricket::VideoFrame>,
+    : public rtc::VideoSinkInterface<webrtc::VideoFrame>,
       public VideoStatsStub,
       public ClientVideoStatsDispatcher::EventHandler {
  public:
@@ -49,7 +49,7 @@ class WebrtcVideoRendererAdapter
   void SetVideoStatsChannel(std::unique_ptr<MessagePipe> message_pipe);
 
   // rtc::VideoSinkInterface implementation.
-  void OnFrame(const cricket::VideoFrame& frame) override;
+  void OnFrame(const webrtc::VideoFrame& frame) override;
 
  private:
   // VideoStatsStub interface.