Delete remaining masks dead code.

sky/engine/core/rendering/RenderObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1183 matching lines @@
         diff = m_style->visualInvalidationDiff(*style);
 
     diff = adjustStyleDifference(diff);
 
     styleWillChange(diff, *style);
 
     RefPtr<RenderStyle> oldStyle = m_style.release();
     setStyleInternal(style);
 
     updateFillImages(oldStyle ? &oldStyle->backgroundLayers() : 0, m_style->backgroundLayers());
-    updateFillImages(oldStyle ? &oldStyle->maskLayers() : 0, m_style->maskLayers());
-
     updateImage(oldStyle ? oldStyle->borderImage().image() : 0, m_style->borderImage().image());
-    updateImage(oldStyle ? oldStyle->maskBoxImage().image() : 0, m_style->maskBoxImage().image());
 
     bool doesNotNeedLayout = !m_parent || isText();
 
     styleDidChange(diff, oldStyle.get());
 
     // FIXME: |this| might be destroyed here. This can currently happen for a RenderTextFragment when
     // its first-letter block gets an update in RenderTextFragment::styleDidChange. For RenderTextFragment(s),
     // we will safely bail out with the doesNotNeedLayout flag. We might want to broaden this condition
     // in the future as we move renderer changes out of layout and into style changes.
     // FIXME(sky): Remove this.
@@ skipping 441 matching lines @@
 
 void RenderObject::postDestroy()
 {
     // It seems ugly that this is not in willBeDestroyed().
     if (m_style) {
         for (const FillLayer* bgLayer = &m_style->backgroundLayers(); bgLayer; bgLayer = bgLayer->next()) {
             if (StyleImage* backgroundImage = bgLayer->image())
                 backgroundImage->removeClient(this);
         }
 
-        for (const FillLayer* maskLayer = &m_style->maskLayers(); maskLayer; maskLayer = maskLayer->next()) {
-            if (StyleImage* maskImage = maskLayer->image())
-                maskImage->removeClient(this);
-        }
-
         if (StyleImage* borderImage = m_style->borderImage().image())
             borderImage->removeClient(this);
-
-        if (StyleImage* maskBoxImage = m_style->maskBoxImage().image())
-            maskBoxImage->removeClient(this);
     }
     delete this;
 }
 
 PositionWithAffinity RenderObject::positionForPoint(const LayoutPoint&)
 {
     return createPositionWithAffinity(caretMinOffset(), DOWNSTREAM);
 }
 
 bool RenderObject::hitTest(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestFilter hitTestFilter)
@@ skipping 309 matching lines @@
 {
     if (object1) {
         const blink::RenderObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showRenderTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif