Extend VideoCaptureDevice::Client::OnError() to have a tracked_objects::Location param.

content/browser/renderer_host/media/video_capture_device_client.h

Index: content/browser/renderer_host/media/video_capture_device_client.h
diff --git a/content/browser/renderer_host/media/video_capture_device_client.h b/content/browser/renderer_host/media/video_capture_device_client.h
index 844c611a3372fcba56ac84ef59b7e66e30b02199..111839ccaf22ef911145d9463c010a9f9a92587a 100644
--- a/content/browser/renderer_host/media/video_capture_device_client.h
+++ b/content/browser/renderer_host/media/video_capture_device_client.h
@@ -65,7 +65,8 @@ class CONTENT_EXPORT VideoCaptureDeviceClient
       scoped_ptr<Buffer> buffer,
       const scoped_refptr<media::VideoFrame>& frame,
       const base::TimeTicks& timestamp) override;
-  void OnError(const std::string& reason) override;
+  void OnError(const tracked_objects::Location& from_here,
+               const std::string& reason) override;
   void OnLog(const std::string& message) override;
   double GetBufferPoolUtilization() const override;