Have Frame::script() return a reference

Source/bindings/v8/custom/V8WindowCustom.cpp

Index: Source/bindings/v8/custom/V8WindowCustom.cpp
diff --git a/Source/bindings/v8/custom/V8WindowCustom.cpp b/Source/bindings/v8/custom/V8WindowCustom.cpp
index e36bc71907d048ae02a82166b234da39d572089b..599490105e5f12c3447d4e6c3113d0b633a84456 100644
--- a/Source/bindings/v8/custom/V8WindowCustom.cpp
+++ b/Source/bindings/v8/custom/V8WindowCustom.cpp
@@ -126,14 +126,14 @@ void WindowSetTimeoutImpl(const v8::FunctionCallbackInfo<v8::Value>& args, bool
 
         // params is passed to action, and released in action's destructor
         ASSERT(imp->frame());
-        action = adoptPtr(new ScheduledAction(imp->frame()->script()->currentWorldContext(), v8::Handle<v8::Function>::Cast(function), paramCount, params.get(), args.GetIsolate()));
+        action = adoptPtr(new ScheduledAction(imp->frame()->script().currentWorldContext(), v8::Handle<v8::Function>::Cast(function), paramCount, params.get(), args.GetIsolate()));
     } else {
         if (imp->document() && !imp->document()->contentSecurityPolicy()->allowEval()) {
             v8SetReturnValue(args, 0);
             return;
         }
         ASSERT(imp->frame());
-        action = adoptPtr(new ScheduledAction(imp->frame()->script()->currentWorldContext(), functionString, KURL(), args.GetIsolate()));
+        action = adoptPtr(new ScheduledAction(imp->frame()->script().currentWorldContext(), functionString, KURL(), args.GetIsolate()));
     }
 
     int32_t timeout = argumentCount >= 2 ? args[1]->Int32Value() : 0;
@@ -167,7 +167,7 @@ void V8Window::eventAttributeGetterCustom(v8::Local<v8::String> name, const v8::
     }
 
     ASSERT(frame);
-    v8::Local<v8::Context> context = frame->script()->currentWorldContext();
+    v8::Local<v8::Context> context = frame->script().currentWorldContext();
     if (context.IsEmpty())
         return;
 
@@ -192,7 +192,7 @@ void V8Window::eventAttributeSetterCustom(v8::Local<v8::String> name, v8::Local<
     }
 
     ASSERT(frame);
-    v8::Local<v8::Context> context = frame->script()->currentWorldContext();
+    v8::Local<v8::Context> context = frame->script().currentWorldContext();
     if (context.IsEmpty())
         return;
 
@@ -309,7 +309,7 @@ private:
 
 inline void DialogHandler::dialogCreated(DOMWindow* dialogFrame)
 {
-    m_dialogContext = dialogFrame->frame() ? dialogFrame->frame()->script()->currentWorldContext() : v8::Local<v8::Context>();
+    m_dialogContext = dialogFrame->frame() ? dialogFrame->frame()->script().currentWorldContext() : v8::Local<v8::Context>();
     if (m_dialogContext.IsEmpty())
         return;
     if (m_dialogArguments.IsEmpty())
@@ -535,7 +535,7 @@ v8::Handle<v8::Value> toV8(DOMWindow* window, v8::Handle<v8::Object> creationCon
     }
 
     // Otherwise, return the global object associated with this frame.
-    v8::Handle<v8::Context> context = frame->script()->currentWorldContext();
+    v8::Handle<v8::Context> context = frame->script().currentWorldContext();
     if (context.IsEmpty())
         return v8Undefined();