Update webrtc::DesktopCapturer clients to implement OnCaptureResult().

remoting/protocol/video_frame_pump.h

Index: remoting/protocol/video_frame_pump.h
diff --git a/remoting/protocol/video_frame_pump.h b/remoting/protocol/video_frame_pump.h
index 3ca5a21196fe85f94d287bb46554e9a4ea7f939c..3b774ce07016bf3f1cc7dca297003032ba4c1503 100644
--- a/remoting/protocol/video_frame_pump.h
+++ b/remoting/protocol/video_frame_pump.h
@@ -122,7 +122,8 @@ class VideoFramePump : public VideoStream,
   };
 
   // webrtc::DesktopCapturer::Callback interface.
-  void OnCaptureCompleted(webrtc::DesktopFrame* frame) override;
+  void OnCaptureResult(webrtc::DesktopCapturer::Result result,
+                       std::unique_ptr<webrtc::DesktopFrame> frame) override;
 
   // Callback for CaptureScheduler.
   void CaptureNextFrame();