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 13 matching lines @@
 #include "core/page/scrolling/ScrollingCoordinator.h"
 #include "core/timing/DOMWindowPerformance.h"
 #include "core/timing/Performance.h"
 #include "platform/EventDispatchForbiddenScope.h"
 #include "platform/WebFrameScheduler.h"
 #include "platform/loader/fetch/ResourceFetcher.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "platform/weborigin/Suborigin.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebScreenInfo.h"
+
 #include <memory>
 
 namespace blink {
 
 // Timeout for link preloads to be used after window.onload
 static const int unusedPreloadTimeoutInSeconds = 3;
 
 class PostMessageTimer final
     : public GarbageCollectedFinalized<PostMessageTimer>,
       public SuspendableTimer {
@@ skipping 1274 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() {
+  if (!m_external)
+    m_external = new External;
+  return m_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 207 matching lines @@
   visitor->trace(m_history);
   visitor->trace(m_locationbar);
   visitor->trace(m_menubar);
   visitor->trace(m_personalbar);
   visitor->trace(m_scrollbars);
   visitor->trace(m_statusbar);
   visitor->trace(m_toolbar);
   visitor->trace(m_navigator);
   visitor->trace(m_media);
   visitor->trace(m_customElements);
+  visitor->trace(m_external);
   visitor->trace(m_applicationCache);
   visitor->trace(m_eventQueue);
   visitor->trace(m_postMessageTimers);
   visitor->trace(m_visualViewport);
   visitor->trace(m_eventListenerObservers);
   DOMWindow::trace(visitor);
   Supplementable<LocalDOMWindow>::trace(visitor);
 }
 
 DEFINE_TRACE_WRAPPERS(LocalDOMWindow) {
   visitor->traceWrappers(m_customElements);
   DOMWindow::traceWrappers(visitor);
 }
 
 }  // namespace blink