Rename WebCore namespace to blink in bindings and web

Source/bindings/core/v8/custom/V8MutationObserverCustom.cpp

 /*
  * Copyright (C) 2011 Google Inc. 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8DOMWrapper.h"
 #include "bindings/core/v8/V8GCController.h"
 #include "bindings/core/v8/V8MutationCallback.h"
 #include "core/dom/MutationObserver.h"
 #include "core/dom/Node.h"
 
-namespace WebCore {
+namespace blink {
 
 void V8MutationObserver::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ConstructionContext, "MutationObserver", info.Holder(), info.GetIsolate());
     if (info.Length() < 1) {
         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
         exceptionState.throwIfNeeded();
         return;
     }
 
@@ skipping 16 matching lines @@
 void V8MutationObserver::visitDOMWrapper(void* object, const v8::Persistent<v8::Object>& wrapper, v8::Isolate* isolate)
 {
     MutationObserver* observer = static_cast<MutationObserver*>(object);
     WillBeHeapHashSet<RawPtrWillBeMember<Node> > observedNodes = observer->getObservedNodes();
     for (WillBeHeapHashSet<RawPtrWillBeMember<Node> >::iterator it = observedNodes.begin(); it != observedNodes.end(); ++it) {
         v8::UniqueId id(reinterpret_cast<intptr_t>(V8GCController::opaqueRootForGC(*it, isolate)));
         isolate->SetReferenceFromGroup(id, wrapper);
     }
 }
 
-} // namespace WebCore
+} // namespace blink