getUserMeida: report device starting states

media/capture/video/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 "media/capture/video/video_capture_device.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 83 matching lines @@
 class MockVideoCaptureClient : public VideoCaptureDevice::Client {
  public:
   MOCK_METHOD0(DoReserveOutputBuffer, void(void));
   MOCK_METHOD0(DoOnIncomingCapturedBuffer, void(void));
   MOCK_METHOD0(DoOnIncomingCapturedVideoFrame, void(void));
   MOCK_METHOD0(DoResurrectLastOutputBuffer, void(void));
   MOCK_METHOD2(OnError,
                void(const tracked_objects::Location& from_here,
                     const std::string& reason));
   MOCK_CONST_METHOD0(GetBufferPoolUtilization, double(void));
+  MOCK_METHOD0(OnStarted, void(void));
 
   explicit MockVideoCaptureClient(
       base::Callback<void(const VideoCaptureFormat&)> frame_cb)
       : main_thread_(base::ThreadTaskRunnerHandle::Get()), frame_cb_(frame_cb) {
     ON_CALL(*this, OnError(_, _)).WillByDefault(Invoke(DumpError));
   }
 
   void OnIncomingCapturedData(const uint8_t* data,
                               int length,
                               const VideoCaptureFormat& format,
@@ skipping 517 matching lines @@
 
   device->GetPhotoCapabilities(std::move(scoped_get_callback));
   run_loop.Run();
 
   ASSERT_TRUE(image_capture_client_->capabilities());
 
   device->StopAndDeAllocate();
 }
 
 };  // namespace media