[Mojo Video Capture] Replace RESOURCE_UTILIZATION with interface ReceiverLoadObserver

media/capture/content/screen_capture_device_core.h

 // 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.
 
 #ifndef MEDIA_CAPTURE_CONTENT_SCREEN_CAPTURE_DEVICE_CORE_H_
 #define MEDIA_CAPTURE_CONTENT_SCREEN_CAPTURE_DEVICE_CORE_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 71 matching lines @@
   ScreenCaptureDeviceCore(std::unique_ptr<VideoCaptureMachine> capture_machine);
   virtual ~ScreenCaptureDeviceCore();
 
   // Asynchronous requests to change ScreenCaptureDeviceCore state.
   void AllocateAndStart(const VideoCaptureParams& params,
                         std::unique_ptr<VideoCaptureDevice::Client> client);
   void RequestRefreshFrame();
   void Suspend();
   void Resume();
   void StopAndDeAllocate();
+  void OnConsumerReportingUtilization(int frame_id, double utilization);
 
  private:
   // Flag indicating current state.
   enum State { kIdle, kCapturing, kSuspended, kError, kLastCaptureState };
 
   void TransitionStateTo(State next_state);
 
   // Called back in response to StartCaptureMachine().  |success| is true if
   // capture machine succeeded to start.
   void CaptureStarted(bool success);
@@ skipping 17 matching lines @@
   // capture pipeline. Besides the VideoCaptureDevice itself, it is the only
   // component of the system with direct access to |client_|.
   scoped_refptr<ThreadSafeCaptureOracle> oracle_proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenCaptureDeviceCore);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CAPTURE_CONTENT_SCREEN_CAPTURE_DEVICE_CORE_H_