Revert r180578, r180591, and r180604 from 1410 branch.

content/renderer/media/rtc_video_decoder_unittest.cc

Index: content/renderer/media/rtc_video_decoder_unittest.cc
===================================================================
--- content/renderer/media/rtc_video_decoder_unittest.cc	(revision 182591)
+++ content/renderer/media/rtc_video_decoder_unittest.cc	(working copy)
@@ -189,6 +189,7 @@
     decoder_ = new RTCVideoDecoder(message_loop_.message_loop_proxy(),
                                    message_loop_.message_loop_proxy(),
                                    video_track_);
+    renderer_ = new MockVideoRenderer();
     read_cb_ = base::Bind(&RTCVideoDecoderTest::FrameReady,
                           base::Unretained(this));
 
@@ -236,6 +237,7 @@
   // Fixture members.
   scoped_refptr<MockVideoTrack> video_track_;
   scoped_refptr<RTCVideoDecoder> decoder_;
+  scoped_refptr<MockVideoRenderer> renderer_;
   MockStatisticsCB statistics_cb_;
   MessageLoop message_loop_;
   media::VideoDecoder::ReadCB read_cb_;