Rename WebCore namespace to blink in Platform

Source/platform/mediastream/MediaStreamDescriptor.cpp

Index: Source/platform/mediastream/MediaStreamDescriptor.cpp
diff --git a/Source/platform/mediastream/MediaStreamDescriptor.cpp b/Source/platform/mediastream/MediaStreamDescriptor.cpp
index e546a43659fd4b01dbd788772d02208793c1b31f..00cd60bcf270e12a73c8666957327ec762c8978e 100644
--- a/Source/platform/mediastream/MediaStreamDescriptor.cpp
+++ b/Source/platform/mediastream/MediaStreamDescriptor.cpp
@@ -35,7 +35,7 @@
 
 #include "platform/UUID.h"
 
-namespace WebCore {
+namespace blink {
 
 PassRefPtr<MediaStreamDescriptor> MediaStreamDescriptor::create(const MediaStreamSourceVector& audioSources, const MediaStreamSourceVector& videoSources)
 {
@@ -124,5 +124,5 @@ MediaStreamDescriptor::MediaStreamDescriptor(const String& id, const MediaStream
         m_videoComponents.append((*iter));
 }
 
-} // namespace WebCore
+} // namespace blink