[Mojo Video Capture] Replace RESOURCE_UTILIZATION with interface ReceiverLoadObserver

content/browser/media/capture/desktop_capture_device_aura.h

Index: content/browser/media/capture/desktop_capture_device_aura.h
diff --git a/content/browser/media/capture/desktop_capture_device_aura.h b/content/browser/media/capture/desktop_capture_device_aura.h
index a3a93747225c4ac2b4d81d46847587d2de462451..6eee43a0edb82d0632e4a05ac0d3c66223090273 100644
--- a/content/browser/media/capture/desktop_capture_device_aura.h
+++ b/content/browser/media/capture/desktop_capture_device_aura.h
@@ -32,6 +32,7 @@ class CONTENT_EXPORT DesktopCaptureDeviceAura
                         std::unique_ptr<Client> client) override;
   void RequestRefreshFrame() override;
   void StopAndDeAllocate() override;
+  void OnUtilizationReport(int frame_feedback_id, double utilization) override;
 
  private:
   explicit DesktopCaptureDeviceAura(const DesktopMediaID& source);