Interface for requestSources through UserMediaController/Client.

Source/modules/mediastream/UserMediaController.h

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 29 matching lines @@
 public:
 
     UserMediaClient* client() const { return m_client; }
 
     void requestUserMedia(UserMediaRequest*);
     void cancelUserMediaRequest(UserMediaRequest*);
 
     void requestMediaDevices(MediaDevicesRequest*);
     void cancelMediaDevicesRequest(MediaDevicesRequest*);
 
+    void requestSources(MediaStreamTrackSourcesRequest*);
+
     static PassOwnPtrWillBeRawPtr<UserMediaController> create(UserMediaClient*);
     static const char* supplementName();
     static UserMediaController* from(LocalFrame* frame) { return static_cast<UserMediaController*>(WillBeHeapSupplement<LocalFrame>::from(frame, supplementName())); }
 
     virtual void trace(Visitor* visitor) OVERRIDE { WillBeHeapSupplement<LocalFrame>::trace(visitor); }
 
 protected:
     explicit UserMediaController(UserMediaClient*);
 
 private:
@@ skipping 13 matching lines @@
 inline void UserMediaController::requestMediaDevices(MediaDevicesRequest* request)
 {
     m_client->requestMediaDevices(request);
 }
 
 inline void UserMediaController::cancelMediaDevicesRequest(MediaDevicesRequest* request)
 {
     m_client->cancelMediaDevicesRequest(request);
 }
 
+inline void UserMediaController::requestSources(MediaStreamTrackSourcesRequest* request)
+{
+    m_client->requestSources(request);
+}
+
 } // namespace blink
 
 #endif // UserMediaController_h