SkBitmap and SkPixelRef no longer need lock/unlock

content/renderer/media/pepper_to_video_track_adapter.cc

 // Copyright (c) 2013 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/pepper_to_video_track_adapter.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/logging.h"
@@ skipping 150 matching lines @@
                << "The image could not be mapped and is unusable.";
     return;
   }
   SkBitmap bitmap(image_data->GetMappedBitmap());
   if (bitmap.empty()) {
     LOG(ERROR) << "PpFrameWriter::PutFrame - "
                << "The image_data's mapped bitmap failed.";
     return;
   }
 
-  SkAutoLockPixels src_lock(bitmap);
   const uint8_t* src_data = static_cast<uint8_t*>(bitmap.getPixels());
   const int src_stride = static_cast<int>(bitmap.rowBytes());
   const int width = bitmap.width();
   const int height = bitmap.height();
 
   // We only support PP_IMAGEDATAFORMAT_BGRA_PREMUL at the moment.
   DCHECK(image_data->format() == PP_IMAGEDATAFORMAT_BGRA_PREMUL);
 
   const gfx::Size frame_size(width, height);
 
@@ skipping 82 matching lines @@
 
   bool track_enabled = true;
   stream.AddTrack(MediaStreamVideoTrack::CreateVideoTrack(
       writer, MediaStreamVideoSource::ConstraintsCallback(), track_enabled));
 
   *frame_writer = new PpFrameWriterProxy(writer->AsWeakPtr());
   return true;
 }
 
 }  // namespace content