Make DocumentLoader::timing return a reference

Source/core/loader/FrameLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com>
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ skipping 935 matching lines @@
 
 void FrameLoader::commitProvisionalLoad()
 {
     ASSERT(client()->hasWebView());
     RefPtr<DocumentLoader> pdl = m_provisionalDocumentLoader;
     RefPtrWillBeRawPtr<LocalFrame> protect(m_frame.get());
 
     // Check if the destination page is allowed to access the previous page's timing information.
     if (m_frame->document()) {
         RefPtr<SecurityOrigin> securityOrigin = SecurityOrigin::create(pdl->request().url());
-        pdl->timing()->setHasSameOriginAsPreviousDocument(securityOrigin->canRequest(m_frame->document()->url()));
+        pdl->timing().setHasSameOriginAsPreviousDocument(securityOrigin->canRequest(m_frame->document()->url()));
     }
 
     // The call to dispatchUnloadEvent() can execute arbitrary JavaScript.
     // If the script initiates a new load, we need to abandon the current load,
     // or the two will stomp each other.
     // detachChildren will similarly trigger child frame unload event handlers.
     if (m_documentLoader) {
         client()->dispatchWillClose();
         dispatchUnloadEvent();
     }
@@ skipping 444 matching lines @@
 
     // FIXME: We need a way to propagate insecure content policy flags to
     // out-of-process frames. For now, we'll always use default behavior.
     if (!parentFrame->isLocalFrame())
         return SecurityContext::InsecureContentDoNotUpgrade;
 
     return toLocalFrame(parentFrame)->document()->insecureContentPolicy();
 }
 
 } // namespace blink