Make V8Binding helpers return LocalFrame/LocalDOMWindow as appropriate

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 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 488 matching lines @@
 
 WebLocalFrame* WebLocalFrame::frameForCurrentContext() {
   v8::Local<v8::Context> context =
       v8::Isolate::GetCurrent()->GetCurrentContext();
   if (context.IsEmpty())
     return 0;
   return frameForContext(context);
 }
 
 WebLocalFrame* WebLocalFrame::frameForContext(v8::Local<v8::Context> context) {
-  return WebLocalFrameImpl::fromFrame(
-      toLocalFrame(toFrameIfNotDetached(context)));
+  return WebLocalFrameImpl::fromFrame(toFrameIfNotDetached(context));
 }
 
 WebLocalFrame* WebLocalFrame::fromFrameOwnerElement(const WebElement& element) {
   return WebLocalFrameImpl::fromFrameOwnerElement(element);
 }
 
 bool WebLocalFrameImpl::isWebLocalFrame() const {
   return true;
 }
 
@@ skipping 1933 matching lines @@
         createMarkup(startPosition, endPosition, AnnotateForInterchange,
                      ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
   } else {
     clipHtml =
         createMarkup(endPosition, startPosition, AnnotateForInterchange,
                      ConvertBlocksToInlines::NotConvert, ResolveNonLocalURLs);
   }
 }
 
 }  // namespace blink