getUserMeida: report device starting states

media/capture/video/fake_video_capture_device_unittest.cc

 // Copyright 2014 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/fake_video_capture_device.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 84 matching lines @@
       buffer_id, arbitrary_frame_feedback_id,
       base::MakeUnique<StubBufferHandleProvider>(mapped_size, buffer),
       base::MakeUnique<StubReadWritePermission>(buffer));
 };
 
 class MockClient : public VideoCaptureDevice::Client {
  public:
   MOCK_METHOD2(OnError,
                void(const tracked_objects::Location& from_here,
                     const std::string& reason));
+  MOCK_METHOD0(OnStarted, void(void));
 
   explicit MockClient(base::Callback<void(const VideoCaptureFormat&)> frame_cb)
       : frame_cb_(frame_cb) {}
 
   // Client virtual methods for capturing using Device Buffers.
   void OnIncomingCapturedData(const uint8_t* data,
                               int length,
                               const VideoCaptureFormat& format,
                               int rotation,
                               base::TimeTicks reference_time,
@@ skipping 392 matching lines @@
 INSTANTIATE_TEST_CASE_P(
     ,
     FakeVideoCaptureDeviceCommandLineTest,
     Values(CommandLineTestData{"fps=-1", 5, 1u},
            CommandLineTestData{"fps=29.97, device-count=1", 29.97f, 1u},
            CommandLineTestData{"fps=60, device-count=2", 60, 2u},
            CommandLineTestData{"fps=1000, device-count=-1", 60, 1u},
            CommandLineTestData{"device-count=2", 20, 2u},
            CommandLineTestData{"device-count=0", 20, 1u}));
 };  // namespace media