Use v8AtomicString instead of v8::String::NewFromUtf8

Source/bindings/v8/custom/V8InjectedScriptHostCustom.cpp

Index: Source/bindings/v8/custom/V8InjectedScriptHostCustom.cpp
diff --git a/Source/bindings/v8/custom/V8InjectedScriptHostCustom.cpp b/Source/bindings/v8/custom/V8InjectedScriptHostCustom.cpp
index 408b2a0d314ae456aa11bc2a6365a6bd68db6ab5..e7ee4101a39b497586135658fd0fe9725f54d9ce 100644
--- a/Source/bindings/v8/custom/V8InjectedScriptHostCustom.cpp
+++ b/Source/bindings/v8/custom/V8InjectedScriptHostCustom.cpp
@@ -341,13 +341,13 @@ void V8InjectedScriptHost::evaluateMethodCustom(const v8::FunctionCallbackInfo<v
 {
     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;
     }