Make V8Binding helpers return LocalFrame/LocalDOMWindow as appropriate

third_party/WebKit/Source/bindings/core/v8/V8DOMWrapper.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 92 matching lines @@
          untrustedWrapperTypeInfo->ginEmbedder == gin::kEmbedderBlink;
 }
 
 void V8WrapperInstantiationScope::securityCheck(
     v8::Isolate* isolate,
     v8::Local<v8::Context> contextForWrapper) {
   if (m_context.IsEmpty())
     return;
   // If the context is different, we need to make sure that the current
   // context has access to the creation context.
-  Frame* frame = toFrameIfNotDetached(contextForWrapper);
+  LocalFrame* frame = toLocalFrameIfNotDetached(contextForWrapper);
   if (!frame) {
     // Sandbox detached frames - they can't create cross origin objects.
     LocalDOMWindow* callingWindow = currentDOMWindow(isolate);
-    DOMWindow* targetWindow = toDOMWindow(contextForWrapper);
+    LocalDOMWindow* targetWindow = toLocalDOMWindow(contextForWrapper);
     // TODO(jochen): Currently, Location is the only object for which we can
     // reach this code path. Should be generalized.
     ExceptionState exceptionState(isolate, ExceptionState::ConstructionContext,
                                   "Location");
     if (BindingSecurity::shouldAllowAccessToDetachedWindow(
             callingWindow, targetWindow, exceptionState))
       return;
 
     CHECK_EQ(SecurityError, exceptionState.code());
     return;
@@ skipping 12 matching lines @@
   }
 }
 
 void V8WrapperInstantiationScope::convertException() {
   v8::Isolate* isolate = m_context->GetIsolate();
   // TODO(jochen): Currently, Location is the only object for which we can reach
   // this code path. Should be generalized.
   ExceptionState exceptionState(isolate, ExceptionState::ConstructionContext,
                                 "Location");
   LocalDOMWindow* callingWindow = currentDOMWindow(isolate);
-  DOMWindow* targetWindow = toDOMWindow(m_context);
+  LocalDOMWindow* targetWindow = toLocalDOMWindow(m_context);
   exceptionState.throwSecurityError(
       targetWindow->sanitizedCrossDomainAccessErrorMessage(callingWindow),
       targetWindow->crossDomainAccessErrorMessage(callingWindow));
 }
 
 }  // namespace blink