getUserMeida: report device starting states

media/capture/video/video_capture_device_client.cc

 // Copyright 2015 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_client.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 378 matching lines @@
           .c_str());
   DLOG(ERROR) << log_message;
   OnLog(log_message);
   receiver_->OnError();
 }
 
 void VideoCaptureDeviceClient::OnLog(const std::string& message) {
   receiver_->OnLog(message);
 }
 
+void VideoCaptureDeviceClient::OnStarted() {
+  receiver_->OnStarted();
+}
+
 double VideoCaptureDeviceClient::GetBufferPoolUtilization() const {
   return buffer_pool_->GetBufferPoolUtilization();
 }
 
 void VideoCaptureDeviceClient::InitializeI420PlanePointers(
     const gfx::Size& dimensions,
     uint8_t* const data,
     uint8_t** y_plane_data,
     uint8_t** u_plane_data,
     uint8_t** v_plane_data) {
@@ skipping 36 matching lines @@
   auto buffer_access = buffer.handle_provider()->GetHandleForInProcessAccess();
   memcpy(buffer_access->data(), data, length);
   const VideoCaptureFormat output_format =
       VideoCaptureFormat(format.frame_size, format.frame_rate,
                          media::PIXEL_FORMAT_Y16, media::PIXEL_STORAGE_CPU);
   OnIncomingCapturedBuffer(std::move(buffer), output_format, reference_time,
                            timestamp);
 }
 
 }  // namespace media