[MediaStream API] Adding MediaStreamTrack::getSourceInfos

Source/modules/mediastream/MediaStreamTrack.h

Index: Source/modules/mediastream/MediaStreamTrack.h
diff --git a/Source/modules/mediastream/MediaStreamTrack.h b/Source/modules/mediastream/MediaStreamTrack.h
index 6631dc22da3b6c03b0d16d8f1953ca0d2ea4e603..1bf3f38d23cff6cf76328b03b4681ef4a8234360 100644
--- a/Source/modules/mediastream/MediaStreamTrack.h
+++ b/Source/modules/mediastream/MediaStreamTrack.h
@@ -29,8 +29,10 @@
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/EventTarget.h"
+#include "core/dom/ExceptionBase.h"
 #include "core/platform/mediastream/MediaStreamDescriptor.h"
 #include "core/platform/mediastream/MediaStreamSource.h"
+#include "modules/mediastream/SourceInfo.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
@@ -56,6 +58,8 @@ public:
 
     String readyState() const;
 
+    static SourceInfoVector getSourceInfos(ScriptExecutionContext*, ExceptionCode&);
+
     DEFINE_ATTRIBUTE_EVENT_LISTENER(mute);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(unmute);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(ended);