Don't wait to notify client of spoof attempt if a modal dialog is created.

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 921 matching lines @@
         // Notify asynchronously, since this is called within a JavaScript security check.
         m_didAccessInitialDocumentTimer.startOneShot(0);
     }
 }
 
 void FrameLoader::didAccessInitialDocumentTimerFired(Timer<FrameLoader>*)
 {
     m_client->didAccessInitialDocument();
 }
 
+void FrameLoader::notifyIfInitialDocumentAccessed()
+{
+    if (m_didAccessInitialDocumentTimer.isActive()
+        && m_stateMachine.isDisplayingInitialEmptyDocument()) {
+        m_didAccessInitialDocumentTimer.stop();
+        didAccessInitialDocumentTimerFired(0);
+    }
+}
+
 bool FrameLoader::isLoading() const
 {
     DocumentLoader* docLoader = activeDocumentLoader();
     if (!docLoader)
         return false;
     return docLoader->isLoading();
 }
 
 void FrameLoader::commitProvisionalLoad()
 {
@@ skipping 814 matching lines @@
 {
     SandboxFlags flags = m_forcedSandboxFlags;
     if (Frame* parentFrame = m_frame->tree()->parent())
         flags |= parentFrame->document()->sandboxFlags();
     if (HTMLFrameOwnerElement* ownerElement = m_frame->ownerElement())
         flags |= ownerElement->sandboxFlags();
     return flags;
 }
 
 } // namespace WebCore