Add didCreateNewDocument() notification

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 289 matching lines @@
     init.withNewRegistrationContext();
 
     stopAllLoaders();
     clear();
 
     // clear() potentially detaches the frame from the document. The
     // loading cannot continue in that case.
     if (!m_frame->page())
         return;
 
+    client()->dispatchWillReplaceDocumentWhileExecutingJavaScriptURL();
     documentLoader->replaceDocumentWhileExecutingJavaScriptURL(init, source, ownerDocument);
 }
 
 void FrameLoader::setHistoryItemStateForCommit(HistoryCommitType historyCommitType, bool isPushOrReplaceState, PassRefPtr<SerializedScriptValue> stateObject)
 {
     if (m_provisionalItem)
         m_currentItem = m_provisionalItem.release();
 
     if (!m_currentItem || historyCommitType == StandardCommit) {
         m_currentItem = HistoryItem::create();
@@ skipping 1122 matching lines @@
     // FIXME: We need a way to propagate sandbox flags to out-of-process frames.
     Frame* parentFrame = m_frame->tree().parent();
     if (parentFrame && parentFrame->isLocalFrame())
         flags |= toLocalFrame(parentFrame)->document()->sandboxFlags();
     if (FrameOwner* frameOwner = m_frame->owner())
         flags |= frameOwner->sandboxFlags();
     return flags;
 }
 
 } // namespace blink