Mac Video Capture: Connect error logging to WebRTC Log

content/browser/renderer_host/media/video_capture_controller.cc

Index: content/browser/renderer_host/media/video_capture_controller.cc
diff --git a/content/browser/renderer_host/media/video_capture_controller.cc b/content/browser/renderer_host/media/video_capture_controller.cc
index deb5e198ce7ede26305bc3fc904086f35b4b7649..4775a77c061688c4dfb76d33b847fd23be70eeaf 100644
--- a/content/browser/renderer_host/media/video_capture_controller.cc
+++ b/content/browser/renderer_host/media/video_capture_controller.cc
@@ -131,6 +131,7 @@ class VideoCaptureController::VideoCaptureDeviceClient
       const scoped_refptr<media::VideoFrame>& frame,
       base::TimeTicks timestamp) OVERRIDE;
   virtual void OnError(const std::string& reason) OVERRIDE;
+  virtual void OnLog(const std::string& message) OVERRIDE;
 
  private:
   scoped_refptr<Buffer> DoReserveOutputBuffer(media::VideoFrame::Format format,
@@ -487,6 +488,11 @@ void VideoCaptureController::VideoCaptureDeviceClient::OnError(
       base::Bind(&VideoCaptureController::DoErrorOnIOThread, controller_));
 }
 
+void VideoCaptureController::VideoCaptureDeviceClient::OnLog(
+    const std::string& message) {
+  MediaStreamManager::SendMessageToNativeLog("Video capture: " + message);
+}
+
 scoped_refptr<media::VideoCaptureDevice::Client::Buffer>
 VideoCaptureController::VideoCaptureDeviceClient::DoReserveOutputBuffer(
     media::VideoFrame::Format format,