Let clients interact with VideoCaptureDeviceClient instead of VideoCaptureDevice

content/browser/media/capture/web_contents_video_capture_device_unittest.cc

 // Copyright (c) 2012 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/media/capture/web_contents_video_capture_device.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 430 matching lines @@
     size_t mapped_size() const override {
       return buffer_handle_->mapped_size();
     }
     void* data(int plane) override { return buffer_handle_->data(plane); }
     ClientBuffer AsClientBuffer(int plane) override { return nullptr; }
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
     base::FileDescriptor AsPlatformFile() override {
       return base::FileDescriptor();
     }
 #endif
+    bool IsBackedByVideoFrame() const override {
+      return buffer_handle_->IsBackedByVideoFrame();
+    }
+    scoped_refptr<media::VideoFrame> GetVideoFrame() override {
+      return buffer_handle_->GetVideoFrame();
+    }
 
    private:
     ~AutoReleaseBuffer() override { pool_->RelinquishProducerReservation(id_); }
 
     const int id_;
     const scoped_refptr<media::VideoCaptureBufferPool> pool_;
     const std::unique_ptr<media::VideoCaptureBufferHandle> buffer_handle_;
   };
 
   scoped_refptr<media::VideoCaptureBufferPool> buffer_pool_;
@@ skipping 794 matching lines @@
   for (int i = 0; i < 3; ++i) {
     SimulateRefreshFrameRequest();
     ASSERT_NO_FATAL_FAILURE(client_observer()->WaitForNextColor(SK_ColorGREEN));
   }
 
   device()->StopAndDeAllocate();
 }
 
 }  // namespace
 }  // namespace content