Pass GpuMemoryBuffer backed VideoFrame from browser to renderer processes

content/browser/renderer_host/media/video_capture_gpu_jpeg_decoder.cc

 // Copyright 2015 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/browser/renderer_host/media/video_capture_gpu_jpeg_decoder.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 111 matching lines @@
 #if defined(OS_POSIX) && !(defined(OS_MACOSX) && !defined(OS_IOS))
   const gfx::Size dimensions = frame_format.frame_size;
   base::SharedMemoryHandle out_handle = out_buffer->AsPlatformFile();
   scoped_refptr<media::VideoFrame> out_frame =
       media::VideoFrame::WrapExternalSharedMemory(
           media::PIXEL_FORMAT_I420,                   // format
           dimensions,                                 // coded_size
           gfx::Rect(dimensions),                      // visible_rect
           dimensions,                                 // natural_size
           static_cast<uint8_t*>(out_buffer->data()),  // data
-          out_buffer->size(),                         // data_size
+          out_buffer->mapped_size(),                  // data_size
           out_handle,                                 // handle
           0,                                          // shared_memory_offset
           base::TimeDelta());                         // timestamp
   if (!out_frame) {
     base::AutoLock lock(lock_);
     decoder_status_ = FAILED;
     LOG(ERROR) << "DecodeCapturedData: WrapExternalSharedMemory failed";
     return;
   }
   out_frame->metadata()->SetDouble(media::VideoFrameMetadata::FRAME_RATE,
@@ skipping 90 matching lines @@
   lock_.AssertAcquired();
   return !decode_done_closure_.is_null();
 }
 
 void VideoCaptureGpuJpegDecoder::RecordInitDecodeUMA_Locked() {
   UMA_HISTOGRAM_BOOLEAN("Media.VideoCaptureGpuJpegDecoder.InitDecodeSuccess",
                         decoder_status_ == INIT_PASSED);
 }
 
 }  // namespace content