Have Frame::script() return a reference

Source/bindings/v8/V8EventListener.cpp

Index: Source/bindings/v8/V8EventListener.cpp
diff --git a/Source/bindings/v8/V8EventListener.cpp b/Source/bindings/v8/V8EventListener.cpp
index 053b2bd709e471d738345701c45a710f8cb9267c..1d57b8438d68e16b79f8f462cfdb19ad69907583 100644
--- a/Source/bindings/v8/V8EventListener.cpp
+++ b/Source/bindings/v8/V8EventListener.cpp
@@ -85,11 +85,11 @@ v8::Local<v8::Value> V8EventListener::callListenerFunction(ExecutionContext* con
     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);
 }
 
 } // namespace WebCore