Remove kSkipFrame usage.

webrtc/modules/video_coding/main/source/encoded_frame.cc

 /*
  *  Copyright (c) 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 215 matching lines @@
     }
 }
 
 webrtc::FrameType VCMEncodedFrame::ConvertFrameType(VideoFrameType frameType)
 {
   switch(frameType) {
     case kKeyFrame:
       return  kVideoFrameKey;
     case kDeltaFrame:
       return kVideoFrameDelta;
-    case kSkipFrame:
-      return kFrameEmpty;
-    default:
-      return kVideoFrameDelta;
   }
 }
 
 VideoFrameType VCMEncodedFrame::ConvertFrameType(webrtc::FrameType frame_type) {
   switch (frame_type) {
     case kVideoFrameKey:
       return kKeyFrame;
     case kVideoFrameDelta:
       return kDeltaFrame;
     default:
       assert(false);
       return kDeltaFrame;
   }
 }
 
 void VCMEncodedFrame::ConvertFrameTypes(
     const std::vector<webrtc::FrameType>& frame_types,
     std::vector<VideoFrameType>* video_frame_types) {
   assert(video_frame_types);
   video_frame_types->reserve(frame_types.size());
   for (size_t i = 0; i < frame_types.size(); ++i) {
     (*video_frame_types)[i] = ConvertFrameType(frame_types[i]);
   }
 }
 
 }