Removing blink::prefix

Source/core/html/HTMLMediaSource.h

Index: Source/core/html/HTMLMediaSource.h
diff --git a/Source/core/html/HTMLMediaSource.h b/Source/core/html/HTMLMediaSource.h
index 8b3d11843a943cc7e723c88d9d55dbd16ab907c5..db719ed0cb852b1dd5afedf9fd59dc318e48116a 100644
--- a/Source/core/html/HTMLMediaSource.h
+++ b/Source/core/html/HTMLMediaSource.h
@@ -37,11 +37,8 @@
 #include "wtf/Forward.h"
 
 namespace blink {
-class WebMediaSource;
-}
-
-namespace blink {
 
+class WebMediaSource;
 class HTMLMediaElement;
 class TimeRanges;
 
@@ -63,7 +60,7 @@ public:
     // Once attached, the source uses the element to synchronously service some
     // API operations like duration change that may need to initiate seek.
     virtual bool attachToElement(HTMLMediaElement*) = 0;
-    virtual void setWebMediaSourceAndOpen(PassOwnPtr<blink::WebMediaSource>) = 0;
+    virtual void setWebMediaSourceAndOpen(PassOwnPtr<WebMediaSource>) = 0;
     virtual void close() = 0;
     virtual bool isClosed() const = 0;
     virtual double duration() const = 0;