Change MediaStreamTrack::getSources to go through UserMediaClient.

Source/modules/mediastream/MediaStreamTrack.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Ericsson AB. 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
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "modules/mediastream/MediaStreamTrack.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
+#include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/events/Event.h"
 #include "modules/mediastream/MediaStream.h"
 #include "modules/mediastream/MediaStreamTrackSourcesCallback.h"
 #include "modules/mediastream/MediaStreamTrackSourcesRequestImpl.h"
+#include "modules/mediastream/UserMediaController.h"
 #include "platform/mediastream/MediaStreamCenter.h"
 #include "platform/mediastream/MediaStreamComponent.h"
 #include "public/platform/WebSourceInfo.h"
 
 namespace blink {
 
 MediaStreamTrack* MediaStreamTrack::create(ExecutionContext* context, MediaStreamComponent* component)
 {
     MediaStreamTrack* track = adoptRefCountedGarbageCollectedWillBeNoop(new MediaStreamTrack(context, component));
     track->suspendIfNeeded();
@@ skipping 75 matching lines @@
     case MediaStreamSource::ReadyStateEnded:
         return "ended";
     }
 
     ASSERT_NOT_REACHED();
     return String();
 }
 
 void MediaStreamTrack::getSources(ExecutionContext* context, PassOwnPtrWillBeRawPtr<MediaStreamTrackSourcesCallback> callback, ExceptionState& exceptionState)
 {
+    LocalFrame* frame = toDocument(context)->frame();
+    UserMediaController* userMedia = UserMediaController::from(frame);
+    if (!userMedia) {
+        exceptionState.throwDOMException(NotSupportedError, "No sources controller available; is this a detached window?");
+        return;
+    }
     MediaStreamTrackSourcesRequest* request = MediaStreamTrackSourcesRequestImpl::create(*context, callback);
-    if (!MediaStreamCenter::instance().getMediaStreamTrackSources(request))
-        exceptionState.throwDOMException(NotSupportedError, ExceptionMessages::failedToExecute("getSources", "MediaStreamTrack", "Functionality not implemented yet"));
+    userMedia->requestSources(request);
 }
 
 void MediaStreamTrack::stopTrack(ExceptionState& exceptionState)
 {
     if (ended())
         return;
 
     m_readyState = MediaStreamSource::ReadyStateEnded;
     MediaStreamCenter::instance().didStopMediaStreamTrack(component());
     dispatchEvent(Event::create(EventTypeNames::ended));
@@ skipping 82 matching lines @@
     return ActiveDOMObject::executionContext();
 }
 
 void MediaStreamTrack::trace(Visitor* visitor)
 {
     visitor->trace(m_registeredMediaStreams);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace blink