Have Frame::script() return a reference

Source/bindings/v8/V8LazyEventListener.cpp

Index: Source/bindings/v8/V8LazyEventListener.cpp
diff --git a/Source/bindings/v8/V8LazyEventListener.cpp b/Source/bindings/v8/V8LazyEventListener.cpp
index 03b202519597374c608834132fd818ab3e1b8b0e..f6023aeb2f0c3887c697d109430deb59c5395666 100644
--- a/Source/bindings/v8/V8LazyEventListener.cpp
+++ b/Source/bindings/v8/V8LazyEventListener.cpp
@@ -96,11 +96,11 @@ v8::Local<v8::Value> V8LazyEventListener::callListenerFunction(ExecutionContext*
     if (!frame)
         return v8::Local<v8::Value>();
 
-    if (!frame->script()->canExecuteScripts(AboutToExecuteScript))
+    if (!frame->script().canExecuteScripts(AboutToExecuteScript))
         return v8::Local<v8::Value>();
 
     v8::Handle<v8::Value> parameters[1] = { jsEvent };
-    return frame->script()->callFunction(handlerFunction, receiver, WTF_ARRAY_LENGTH(parameters), parameters);
+    return frame->script().callFunction(handlerFunction, receiver, WTF_ARRAY_LENGTH(parameters), parameters);
 }
 
 static void V8LazyEventListenerToString(const v8::FunctionCallbackInfo<v8::Value>& args)