Cross-origin iframes: collect data under hypothetical loading strategies

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 348 matching lines @@
       scrollingCoordinator->scrollableAreaScrollbarLayerDidChange(
           frame()->view(), HorizontalScrollbar);
       scrollingCoordinator->scrollableAreaScrollbarLayerDidChange(
           frame()->view(), VerticalScrollbar);
       scrollingCoordinator->scrollableAreaScrollLayerDidChange(frame()->view());
     }
   }
 
   frame()->selection().updateSecureKeyboardEntryIfActive();
 
-  m_document->maybeRecordLoadReason(Created);
+  if (frame()->isCrossOriginSubframe())
+    m_document->recordDeferredLoadReason(Created);
 
   return m_document;
 }
 
 EventQueue* LocalDOMWindow::getEventQueue() const {
   return m_eventQueue.get();
 }
 
 void LocalDOMWindow::enqueueWindowEvent(Event* event) {
   if (!m_eventQueue)
@@ skipping 1261 matching lines @@
   DOMWindow::trace(visitor);
   Supplementable<LocalDOMWindow>::trace(visitor);
 }
 
 DEFINE_TRACE_WRAPPERS(LocalDOMWindow) {
   visitor->traceWrappers(m_customElements);
   DOMWindow::traceWrappers(visitor);
 }
 
 }  // namespace blink