Replace media::Limits struct with media::limits namespace and update documentation.

content/renderer/media/rtc_video_decoder.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/media/rtc_video_decoder.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/message_loop.h"
 #include "base/task.h"
 #include "media/base/demuxer.h"
 #include "media/base/filter_host.h"
 #include "media/base/filters.h"
 #include "media/base/limits.h"
 #include "media/base/video_frame.h"
 #include "media/base/video_util.h"
 #include "third_party/libjingle/source/talk/session/phone/videoframe.h"
 
 using media::CopyUPlane;
 using media::CopyVPlane;
 using media::CopyYPlane;
 using media::DemuxerStream;
 using media::FilterStatusCB;
 using media::kNoTimestamp;
-using media::Limits;
 using media::PIPELINE_OK;
 using media::StatisticsCallback;
 using media::VideoDecoder;
 using media::VideoFrame;
 
 RTCVideoDecoder::RTCVideoDecoder(MessageLoop* message_loop,
                                  const std::string& url)
     : message_loop_(message_loop),
       visible_size_(176, 144),
       url_(url),
@@ skipping 167 matching lines @@
 
   int y_rows = frame->GetHeight();
   int uv_rows = frame->GetHeight() / 2;  // YV12 format.
   CopyYPlane(frame->GetYPlane(), frame->GetYPitch(), y_rows, video_frame);
   CopyUPlane(frame->GetUPlane(), frame->GetUPitch(), uv_rows, video_frame);
   CopyVPlane(frame->GetVPlane(), frame->GetVPitch(), uv_rows, video_frame);
 
   read_cb.Run(video_frame);
   return true;
 }