getUserMeida: report device starting states

content/browser/media/capture/desktop_capture_device_unittest.cc

Index: content/browser/media/capture/desktop_capture_device_unittest.cc
diff --git a/content/browser/media/capture/desktop_capture_device_unittest.cc b/content/browser/media/capture/desktop_capture_device_unittest.cc
index 4885ee2f4e825101f23db3b8194719efc79868b2..a9a3121f13f2a152a6db63343562683449bac60d 100644
--- a/content/browser/media/capture/desktop_capture_device_unittest.cc
+++ b/content/browser/media/capture/desktop_capture_device_unittest.cc
@@ -75,6 +75,7 @@ class MockDeviceClient : public media::VideoCaptureDevice::Client {
   MOCK_METHOD2(OnError,
                void(const tracked_objects::Location& from_here,
                     const std::string& reason));
+  MOCK_METHOD0(OnStarted, void(void));

[miu, 2017/02/09 22:21:49]

ditto: One or more unit tests should EXPECT_CALL(OnStarted()).

[braveyao, 2017/02/14 01:05:49]

Done.

 
   // Trampoline methods to workaround GMOCK problems with std::unique_ptr<>.
   Buffer ReserveOutputBuffer(const gfx::Size& dimensions,