Make WebFrame::isLoading() local-only and map it to load event completion

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 884 matching lines @@
 }
 
 void FrameLoader::notifyIfInitialDocumentAccessed()
 {
     if (m_didAccessInitialDocumentTimer.isActive()) {
         m_didAccessInitialDocumentTimer.stop();
         didAccessInitialDocumentTimerFired(0);
     }
 }
 
-bool FrameLoader::isLoading() const
-{
-    if (m_provisionalDocumentLoader)
-        return true;
-    return m_documentLoader && m_documentLoader->isLoading();
-}
-
 void FrameLoader::commitProvisionalLoad()
 {
     ASSERT(client()->hasWebView());
     ASSERT(m_state == FrameStateProvisional);
     RefPtr<DocumentLoader> pdl = m_provisionalDocumentLoader;
     RefPtr<LocalFrame> protect(m_frame);
 
     // 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());
@@ skipping 572 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