Let clients interact with VideoCaptureDeviceClient instead of VideoCaptureDevice

content/browser/renderer_host/media/gpu_memory_buffer_handle.cc

 // Copyright 2016 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/gpu_memory_buffer_handle.h"
 
 #include "content/browser/renderer_host/media/gpu_memory_buffer_tracker.h"
 
 namespace content {
 
 GpuMemoryBufferBufferHandle::GpuMemoryBufferBufferHandle(
     GpuMemoryBufferTracker* tracker)
     : tracker_(tracker) {}
+
 GpuMemoryBufferBufferHandle::~GpuMemoryBufferBufferHandle() = default;
 
 gfx::Size GpuMemoryBufferBufferHandle::dimensions() const {
   return tracker_->dimensions();
 }
 
 size_t GpuMemoryBufferBufferHandle::mapped_size() const {
   return tracker_->dimensions().GetArea();
 }
 
@@ skipping 10 matching lines @@
   return tracker_->gpu_memory_buffers_[plane]->AsClientBuffer();
 }
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 base::FileDescriptor GpuMemoryBufferBufferHandle::AsPlatformFile() {
   NOTREACHED();
   return base::FileDescriptor();
 }
 #endif
 
+bool GpuMemoryBufferBufferHandle::IsBackedByVideoFrame() const {
+  return false;
+}
+
+scoped_refptr<media::VideoFrame> GpuMemoryBufferBufferHandle::GetVideoFrame() {
+  DCHECK(false);
+  return scoped_refptr<media::VideoFrame>();
+}
+
 }  // namespace content