Reland "Recompute overflow after transform changes"

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 1865 matching lines @@
         inheritHtmlAndBodyElementStyles(change);
         dirtyElementsForLayerUpdate();
         if (documentElement->shouldCallRecalcStyle(change))
             documentElement->recalcStyle(change);
         while (dirtyElementsForLayerUpdate())
             documentElement->recalcStyle(NoChange);
     }
 
     ensureStyleResolver().printStats();
 
+    view()->recalcOverflowAfterStyleChange();
     view()->updateCompositingLayersAfterStyleChange();
 
     clearChildNeedsStyleRecalc();
 
     if (m_styleEngine->hasResolver()) {
         // Pseudo element removal and similar may only work with these flags still set. Reset them after the style recalc.
         StyleResolver& resolver = m_styleEngine->ensureResolver();
         m_styleEngine->resetCSSFeatureFlags(resolver.ensureUpdatedRuleFeatureSet());
         resolver.clearStyleSharingList();
     }
@@ skipping 3761 matching lines @@
 {
     visitor->trace(m_styleSheetList);
     visitor->trace(m_visibilityObservers);
     visitor->registerWeakMembers<Document, &Document::clearWeakMembers>(this);
     Supplementable<Document>::trace(visitor);
     TreeScope::trace(visitor);
     ContainerNode::trace(visitor);
 }
 
 } // namespace WebCore