Special-case LocalDOMWindow for same-origin access in bindings.

third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 35 matching lines @@
 #include "core/editing/Editor.h"
 #include "core/events/DOMWindowEventQueue.h"
 #include "core/events/HashChangeEvent.h"
 #include "core/events/MessageEvent.h"
 #include "core/events/PageTransitionEvent.h"
 #include "core/events/PopStateEvent.h"
 #include "core/events/ScopedEventQueue.h"
 #include "core/frame/BarProp.h"
 #include "core/frame/DOMVisualViewport.h"
 #include "core/frame/EventHandlerRegistry.h"
+#include "core/frame/External.h"
 #include "core/frame/FrameConsole.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/History.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Navigator.h"
 #include "core/frame/Screen.h"
 #include "core/frame/ScrollToOptions.h"
 #include "core/frame/Settings.h"
 #include "core/frame/SuspendableTimer.h"
 #include "core/frame/VisualViewport.h"
@@ skipping 1307 matching lines @@
 CustomElementRegistry* LocalDOMWindow::customElements() const {
   if (!m_customElements && m_document)
     m_customElements = CustomElementRegistry::create(this);
   return m_customElements;
 }
 
 CustomElementRegistry* LocalDOMWindow::maybeCustomElements() const {
   return m_customElements;
 }
 
+External* LocalDOMWindow::external() const {
+  DEFINE_STATIC_LOCAL(Persistent<External>, external, (new External));
+  return external;
+}
+
+bool LocalDOMWindow::isSecureContext() const {
+  if (!frame())
+    return false;
+
+  return document()->isSecureContext(
+      ExecutionContext::StandardSecureContextCheck);
+}
+
 void LocalDOMWindow::addedEventListener(
     const AtomicString& eventType,
     RegisteredEventListener& registeredListener) {
   DOMWindow::addedEventListener(eventType, registeredListener);
   if (frame() && frame()->host())
     frame()->host()->eventHandlerRegistry().didAddEventHandler(
         *this, eventType, registeredListener.options());
 
   if (Document* document = this->document())
     document->addListenerTypeIfNeeded(eventType);
@@ skipping 222 matching lines @@
   DOMWindow::trace(visitor);
   Supplementable<LocalDOMWindow>::trace(visitor);
 }
 
 DEFINE_TRACE_WRAPPERS(LocalDOMWindow) {
   visitor->traceWrappers(m_customElements);
   DOMWindow::traceWrappers(visitor);
 }
 
 }  // namespace blink