Switch base::Value typemapping to be by value instead of by unique_ptr.

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 <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 143 matching lines @@
   out_frame->metadata()->SetTimeTicks(media::VideoFrameMetadata::REFERENCE_TIME,
                                       reference_time);
 
   media::mojom::VideoFrameInfoPtr out_frame_info =
       media::mojom::VideoFrameInfo::New();
   out_frame_info->timestamp = timestamp;
   out_frame_info->pixel_format = media::PIXEL_FORMAT_I420;
   out_frame_info->storage_type = media::PIXEL_STORAGE_CPU;
   out_frame_info->coded_size = dimensions;
   out_frame_info->visible_rect = gfx::Rect(dimensions);
-  out_frame_info->metadata = out_frame->metadata()->CopyInternalValues();
+  out_frame_info->metadata = out_frame->metadata()->GetInternalValues();
 
   {
     base::AutoLock lock(lock_);
     decode_done_closure_ =
         base::Bind(decode_done_cb_, out_buffer.id, out_buffer.frame_feedback_id,
                    base::Passed(&out_buffer.access_permission),
                    base::Passed(&out_frame_info));
   }
   decoder_->Decode(in_buffer, std::move(out_frame));
 }
@@ 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