Rename WebCore namespace to blink in bindings and web

Source/bindings/core/v8/custom/V8MessageEventCustom.cpp

Index: Source/bindings/core/v8/custom/V8MessageEventCustom.cpp
diff --git a/Source/bindings/core/v8/custom/V8MessageEventCustom.cpp b/Source/bindings/core/v8/custom/V8MessageEventCustom.cpp
index 608010f6c7cf20256e586dee55e3f1e607186ccf..2337363283885422c224119091a2187ce50f022e 100644
--- a/Source/bindings/core/v8/custom/V8MessageEventCustom.cpp
+++ b/Source/bindings/core/v8/custom/V8MessageEventCustom.cpp
@@ -40,7 +40,7 @@
 #include "bindings/core/v8/custom/V8ArrayBufferCustom.h"
 #include "core/events/MessageEvent.h"
 
-namespace WebCore {
+namespace blink {
 
 // Ensures a wrapper is created for the data to return now so that V8 knows how
 // much memory is used via the wrapper. To keep the wrapper alive, it's set to
@@ -161,4 +161,4 @@ void V8MessageEvent::initMessageEventMethodCustom(const v8::FunctionCallbackInfo
     }
 }
 
-} // namespace WebCore
+} // namespace blink