Use v8AtomicString instead of v8::String::NewFromUtf8

Source/bindings/v8/custom/V8InjectedScriptHostCustom.cpp

 /*
  * Copyright (C) 2007-2011 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 323 matching lines @@
             v8SetReturnValueStringOrUndefined(info, host->storageIdImpl(storage), info.GetIsolate());
             return;
         }
     }
 }
 
 void V8InjectedScriptHost::evaluateMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Isolate* isolate = info.GetIsolate();
     if (info.Length() < 1) {
-        isolate->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(isolate, "One argument expected.")));
+        isolate->ThrowException(v8::Exception::Error(v8AtomicString(isolate, "One argument expected.")));
         return;
     }
 
     v8::Handle<v8::String> expression = info[0]->ToString();
     if (expression.IsEmpty()) {
-        isolate->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(isolate, "The argument must be a string.")));
+        isolate->ThrowException(v8::Exception::Error(v8AtomicString(isolate, "The argument must be a string.")));
         return;
     }
 
     ASSERT(!isolate->GetCurrentContext().IsEmpty());
     v8::TryCatch tryCatch;
     v8::Handle<v8::Value> result = V8ScriptRunner::compileAndRunInternalScript(expression, info.GetIsolate());
     if (tryCatch.HasCaught()) {
         v8SetReturnValue(info, tryCatch.ReThrow());
         return;
     }
@@ skipping 78 matching lines @@
     int lineNumber;
     int columnNumber;
     if (!getFunctionLocation(info, &scriptId, &lineNumber, &columnNumber))
         return;
 
     InjectedScriptHost* host = V8InjectedScriptHost::toNative(info.Holder());
     host->unmonitorFunction(scriptId, lineNumber, columnNumber);
 }
 
 } // namespace WebCore