[MediaStream API] Adding MediaStreamTrack::getSourceInfos

Tools/DumpRenderTree/chromium/TestRunner/src/MockWebMediaStreamCenter.cpp

Index: Tools/DumpRenderTree/chromium/TestRunner/src/MockWebMediaStreamCenter.cpp
diff --git a/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebMediaStreamCenter.cpp b/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebMediaStreamCenter.cpp
index 1e2efc28dd14ef63058727b19c302a08ce45c0f9..3642b5e66f6b27f7501cf63dfd1bfb308ddf653d 100644
--- a/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebMediaStreamCenter.cpp
+++ b/Tools/DumpRenderTree/chromium/TestRunner/src/MockWebMediaStreamCenter.cpp
@@ -38,6 +38,7 @@
 #include "public/platform/WebMediaStreamSource.h"
 #include "public/platform/WebMediaStreamSourcesRequest.h"
 #include "public/platform/WebMediaStreamTrack.h"
+#include "public/platform/WebSourceInfo.h"
 #include "public/platform/WebVector.h"
 
 using namespace WebKit;
@@ -54,6 +55,16 @@ void MockWebMediaStreamCenter::queryMediaStreamSources(const WebMediaStreamSourc
     request.didCompleteQuery(audioSources, videoSources);
 }
 
+bool MockWebMediaStreamCenter::getSourceInfos(const WebString& url, WebVector<WebSourceInfo>& webSourceInfoVector)
+{
+    size_t size = 2;
+    WebVector<WebSourceInfo> results(size);
+    results[0].initialize("MockAudioDevice#1", WebSourceInfo::SourceKindAudio, "Mock audio device", WebSourceInfo::VideoFacingModeNone);
+    results[1].initialize("MockVideoDevice#1", WebSourceInfo::SourceKindVideo, "Mock video device", WebSourceInfo::VideoFacingModeEnvironment);
+    webSourceInfoVector.swap(results);
+    return true;
+}
+
 void MockWebMediaStreamCenter::didEnableMediaStreamTrack(const WebMediaStream&, const WebMediaStreamTrack& component)
 {
     component.source().setReadyState(WebMediaStreamSource::ReadyStateLive);