Delete IsMutable and IsExclusive methods.

webrtc/media/engine/webrtcvideoframe.cc

Index: webrtc/media/engine/webrtcvideoframe.cc
diff --git a/webrtc/media/engine/webrtcvideoframe.cc b/webrtc/media/engine/webrtcvideoframe.cc
index 5fa69619dee9b536ef50258c1793515f34b15a74..93d93bd10161684589a1eeb38f6bd52f5bf85dea 100644
--- a/webrtc/media/engine/webrtcvideoframe.cc
+++ b/webrtc/media/engine/webrtcvideoframe.cc
@@ -79,15 +79,19 @@ int WebRtcVideoFrame::height() const {
   return video_frame_buffer_ ? video_frame_buffer_->height() : 0;
 }
 
-bool WebRtcVideoFrame::IsExclusive() const {
-  return video_frame_buffer_->IsMutable();
-}
-
 const rtc::scoped_refptr<webrtc::VideoFrameBuffer>&
 WebRtcVideoFrame::video_frame_buffer() const {
   return video_frame_buffer_;
 }
 
+std::unique_ptr<VideoFrame> WebRtcVideoFrame::CreateWithBuffer(
+    const rtc::scoped_refptr<webrtc::VideoFrameBuffer>& buffer,
+    webrtc::VideoRotation rotation,
+    int64_t timestamp_us) const {
+  return std::unique_ptr<VideoFrame>(
+      new WebRtcVideoFrame(buffer, rotation, timestamp_us));
+}
+
 VideoFrame* WebRtcVideoFrame::Copy() const {
   return new WebRtcVideoFrame(video_frame_buffer_, rotation_, timestamp_us_);
 }