Use v8AtomicString instead of v8::String::NewFromUtf8

Source/bindings/v8/V8PerContextData.cpp

 /*
  * Copyright (C) 2012 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 45 matching lines @@
     disposeMapWithUnsafePersistentValues(&m_wrapperBoilerplates);
     disposeMapWithUnsafePersistentValues(&m_constructorMap);
     m_customElementBindings.clear();
 
     m_context.Reset();
 }
 
 #define V8_STORE_PRIMORDIAL(name, Name) \
 { \
     ASSERT(m_##name##Prototype.isEmpty()); \
-    v8::Handle<v8::String> symbol = v8::String::NewFromUtf8(m_isolate, #Name, v8::String::kInternalizedString); \
+    v8::Handle<v8::String> symbol = v8AtomicString(m_isolate, #Name); \
     if (symbol.IsEmpty()) \
         return false; \
     v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(v8::Local<v8::Context>::New(m_isolate, m_context)->Global()->Get(symbol)); \
     if (object.IsEmpty()) \
         return false; \
     v8::Handle<v8::Value> prototypeValue = object->Get(prototypeString); \
     if (prototypeValue.IsEmpty()) \
         return false; \
     m_##name##Prototype.set(m_isolate, prototypeValue);  \
 }
@@ skipping 137 matching lines @@
     if (!data->IsString())
         return -1;
     v8::String::Utf8Value utf8(data);
     char* comma = strnstr(*utf8, ",", utf8.length());
     if (!comma)
         return -1;
     return atoi(comma + 1);
 }
 
 } // namespace WebCore