bindings: Use Maybe version of v8::String::NewFromUtf8()

Source/modules/crypto/CryptoResultImpl.cpp

 /*
  * Copyright (C) 2013 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 132 matching lines @@
     clearResolver();
 }
 
 void CryptoResultImpl::completeWithJson(const char* utf8Data, unsigned length)
 {
     if (m_resolver) {
         ScriptPromiseResolver* resolver = m_resolver;
         ScriptState* scriptState = resolver->scriptState();
         ScriptState::Scope scope(scriptState);
 
-        v8::Handle<v8::String> jsonString = v8::String::NewFromUtf8(scriptState->isolate(), utf8Data, v8::String::kInternalizedString, length);
+        v8::Handle<v8::String> jsonString = v8AtomicString(scriptState->isolate(), utf8Data, length);
 
         v8::TryCatch exceptionCatcher;
         v8::Handle<v8::Value> jsonDictionary = v8::JSON::Parse(jsonString);
         if (exceptionCatcher.HasCaught() || jsonDictionary.IsEmpty()) {
             ASSERT_NOT_REACHED();
             resolver->reject(DOMException::create(OperationError, "Failed inflating JWK JSON to object"));
         } else {
             resolver->resolve(jsonDictionary);
         }
     }
@@ skipping 55 matching lines @@
         m_resolver = Resolver::create(scriptState, this).get();
     }
 }
 
 ScriptPromise CryptoResultImpl::promise()
 {
     return m_resolver ? m_resolver->promise() : ScriptPromise();
 }
 
 } // namespace blink