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

media/capture/video/video_capture_device_client.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 "media/capture/video/video_capture_device_client.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 364 matching lines @@
   metadata.SetDouble(media::VideoFrameMetadata::FRAME_RATE, format.frame_rate);
   metadata.SetTimeTicks(media::VideoFrameMetadata::REFERENCE_TIME,
                         reference_time);
 
   mojom::VideoFrameInfoPtr info = mojom::VideoFrameInfo::New();
   info->timestamp = timestamp;
   info->pixel_format = format.pixel_format;
   info->storage_type = format.pixel_storage;
   info->coded_size = format.frame_size;
   info->visible_rect = visible_rect;
-  info->metadata = metadata.CopyInternalValues();
+  info->metadata = metadata.GetInternalValues();
 
   buffer_pool_->HoldForConsumers(buffer.id, 1);
   receiver_->OnFrameReadyInBuffer(
       buffer.id, buffer.frame_feedback_id,
       base::MakeUnique<ScopedBufferPoolReservation<ConsumerReleaseTraits>>(
           buffer_pool_, buffer.id),
       std::move(info));
 }
 
 media::VideoCaptureDevice::Client::Buffer
@@ skipping 80 matching lines @@
   auto buffer_access = buffer.handle_provider->GetHandleForInProcessAccess();
   memcpy(buffer_access->data(), data, length);
   const VideoCaptureFormat output_format =
       VideoCaptureFormat(format.frame_size, format.frame_rate,
                          media::PIXEL_FORMAT_Y16, media::PIXEL_STORAGE_CPU);
   OnIncomingCapturedBuffer(std::move(buffer), output_format, reference_time,
                            timestamp);
 }
 
 }  // namespace media