Rename WebKit namespace to blink

Source/bindings/v8/V8Binding.h

 /*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 * Copyright (C) 2012 Ericsson AB. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
@@ skipping 697 matching lines @@
     {
         return v8::Function::New(isolate, function, environment);
     }
 
     v8::Local<v8::Value> getHiddenValueFromMainWorldWrapper(v8::Isolate*, ScriptWrappable*, v8::Handle<v8::String> key);
 
     v8::Isolate* mainThreadIsolate();
     v8::Isolate* toIsolate(ExecutionContext*);
     v8::Isolate* toIsolate(Frame*);
 
-    // Can only be called by WebKit::initialize
+    // Can only be called by blink::initialize
     void setMainThreadIsolate(v8::Isolate*);
 } // namespace WebCore
 
 #endif // V8Binding_h