MediaStream API: Changing the device enumeration to be async

Source/core/platform/mediastream/chromium/MediaStreamCenterChromium.cpp

Index: Source/core/platform/mediastream/chromium/MediaStreamCenterChromium.cpp
diff --git a/Source/core/platform/mediastream/chromium/MediaStreamCenterChromium.cpp b/Source/core/platform/mediastream/chromium/MediaStreamCenterChromium.cpp
index 8dc3b085b344c386bf5134c53f89795af861d55f..d2f2add259015c53f87a34685d03c4f74015feb2 100644
--- a/Source/core/platform/mediastream/chromium/MediaStreamCenterChromium.cpp
+++ b/Source/core/platform/mediastream/chromium/MediaStreamCenterChromium.cpp
@@ -34,11 +34,13 @@
 
 #include "core/platform/mediastream/MediaStreamDescriptor.h"
 #include "core/platform/mediastream/MediaStreamSourcesQueryClient.h"
+#include "core/platform/mediastream/MediaStreamTrackSourcesRequest.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebMediaStream.h"
 #include "public/platform/WebMediaStreamCenter.h"
 #include "public/platform/WebMediaStreamSourcesRequest.h"
 #include "public/platform/WebMediaStreamTrack.h"
+#include "public/platform/WebMediaStreamTrackSourcesRequest.h"
 #include "wtf/MainThread.h"
 #include "wtf/PassOwnPtr.h"
 
@@ -70,9 +72,9 @@ void MediaStreamCenterChromium::queryMediaStreamSources(PassRefPtr<MediaStreamSo
     }
 }
 
-bool MediaStreamCenterChromium::getSourceInfos(const String& url, WebKit::WebVector<WebKit::WebSourceInfo>& sourceInfos)
+bool MediaStreamCenterChromium::getMediaStreamTrackSources(PassRefPtr<MediaStreamTrackSourcesRequest> request)
 {
-    return m_private && m_private->getSourceInfos(url, sourceInfos);
+    return m_private && m_private->getMediaStreamTrackSources(request);
 }
 
 void MediaStreamCenterChromium::didSetMediaStreamTrackEnabled(MediaStreamDescriptor* stream,  MediaStreamComponent* component)