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

webrtc/pc/channel.cc

Index: webrtc/pc/channel.cc
diff --git a/webrtc/pc/channel.cc b/webrtc/pc/channel.cc
index f22bdc4ca41029155f2fe4fe511bb9c2765ee679..3f3e8d034f6134e6a6ed99620edf77ce48285cd4 100644
--- a/webrtc/pc/channel.cc
+++ b/webrtc/pc/channel.cc
@@ -1861,7 +1861,7 @@ VideoChannel::~VideoChannel() {
 }
 
 bool VideoChannel::SetSink(uint32_t ssrc,
-                           rtc::VideoSinkInterface<VideoFrame>* sink) {
+                           rtc::VideoSinkInterface<webrtc::VideoFrame>* sink) {
   worker_thread()->Invoke<void>(
       RTC_FROM_HERE,
       Bind(&VideoMediaChannel::SetSink, media_channel(), ssrc, sink));
@@ -1872,7 +1872,7 @@ bool VideoChannel::SetVideoSend(
     uint32_t ssrc,
     bool mute,
     const VideoOptions* options,
-    rtc::VideoSourceInterface<cricket::VideoFrame>* source) {
+    rtc::VideoSourceInterface<webrtc::VideoFrame>* source) {
   return InvokeOnWorker(RTC_FROM_HERE,
                         Bind(&VideoMediaChannel::SetVideoSend, media_channel(),
                              ssrc, mute, options, source));