Revert of Delete all use of cricket::VideoFrame and cricket::WebRtcVideoFrame.

webrtc/media/base/videocapturer.h

Index: webrtc/media/base/videocapturer.h
diff --git a/webrtc/media/base/videocapturer.h b/webrtc/media/base/videocapturer.h
index 1f1da3a88cc2e2561a04f9b601544b2541fac0a6..909c838fa55c3d9fd93ad171dfc6d5b435a74a02 100644
--- a/webrtc/media/base/videocapturer.h
+++ b/webrtc/media/base/videocapturer.h
@@ -29,9 +29,6 @@
 #include "webrtc/media/base/videobroadcaster.h"
 #include "webrtc/media/base/videocommon.h"
 
-namespace webrtc {
-class VideoFrame;
-}
 
 namespace cricket {
 
@@ -72,7 +69,7 @@
 //   thread safe.
 //
 class VideoCapturer : public sigslot::has_slots<>,
-                      public rtc::VideoSourceInterface<webrtc::VideoFrame> {
+                      public rtc::VideoSourceInterface<cricket::VideoFrame> {
  public:
   VideoCapturer();
 
@@ -172,9 +169,9 @@
   bool GetInputSize(int* width, int* height);
 
   // Implements VideoSourceInterface
-  void AddOrUpdateSink(rtc::VideoSinkInterface<webrtc::VideoFrame>* sink,
+  void AddOrUpdateSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink,
                        const rtc::VideoSinkWants& wants) override;
-  void RemoveSink(rtc::VideoSinkInterface<webrtc::VideoFrame>* sink) override;
+  void RemoveSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink) override;
 
  protected:
   // OnSinkWantsChanged can be overridden to change the default behavior
@@ -213,9 +210,7 @@
   // VideoFrame. OnFrame can be called directly by an implementation
   // that does not use SignalFrameCaptured or OnFrameCaptured. The
   // orig_width and orig_height are used only to produce stats.
-  void OnFrame(const webrtc::VideoFrame& frame,
-               int orig_width,
-               int orig_height);
+  void OnFrame(const VideoFrame& frame, int orig_width, int orig_height);
 
   VideoAdapter* video_adapter() { return &video_adapter_; }