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

webrtc/examples/peerconnection/client/linux/main_wnd.h

 /*
  *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 54 matching lines @@
   void OnKeyPress(GtkWidget* widget, GdkEventKey* key);
 
   // Callback when the user double clicks a peer in order to initiate a
   // connection.
   void OnRowActivated(GtkTreeView* tree_view, GtkTreePath* path,
                       GtkTreeViewColumn* column);
 
   void OnRedraw();
 
  protected:
-  class VideoRenderer : public rtc::VideoSinkInterface<webrtc::VideoFrame> {
+  class VideoRenderer : public rtc::VideoSinkInterface<cricket::VideoFrame> {
    public:
     VideoRenderer(GtkMainWnd* main_wnd,
                   webrtc::VideoTrackInterface* track_to_render);
     virtual ~VideoRenderer();
 
     // VideoSinkInterface implementation
-    void OnFrame(const webrtc::VideoFrame& frame) override;
+    void OnFrame(const cricket::VideoFrame& frame) override;
 
     const uint8_t* image() const { return image_.get(); }
 
     int width() const {
       return width_;
     }
 
     int height() const {
       return height_;
     }
@@ skipping 19 matching lines @@
   std::string port_;
   bool autoconnect_;
   bool autocall_;
   std::unique_ptr<VideoRenderer> local_renderer_;
   std::unique_ptr<VideoRenderer> remote_renderer_;
   std::unique_ptr<uint8_t[]> draw_buffer_;
   int draw_buffer_size_;
 };
 
 #endif  // WEBRTC_EXAMPLES_PEERCONNECTION_CLIENT_LINUX_MAIN_WND_H_