compositor-worker: Introduce CompositorProxy::disconnect().

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 931 matching lines @@
 
     double scaledLeft = view->scrollPositionDouble().x();
     double scaledTop = view->scrollPositionDouble().y();
     if (scrollToOptions.hasLeft())
         scaledLeft = scrollToOptions.left() * frame->pageZoomFactor();
     if (scrollToOptions.hasTop())
         scaledTop = scrollToOptions.top() * frame->pageZoomFactor();
     view->setScrollPosition(DoublePoint(scaledLeft, scaledTop), scrollBehavior);
 }
 
+void Element::incrementProxyCount()
+{
+    ensureElementRareData().incrementProxyCount();
+}
+
+void Element::decrementProxyCount()
+{
+    ensureElementRareData().decrementProxyCount();
+}
+
 IntRect Element::boundsInViewportSpace()
 {
     document().updateLayoutIgnorePendingStylesheets();
 
     FrameView* view = document().view();
     if (!view)
         return IntRect();
 
     Vector<FloatQuad> quads;
     if (isSVGElement() && layoutObject()) {
@@ skipping 2534 matching lines @@
 {
 #if ENABLE(OILPAN)
     if (hasRareData())
         visitor->trace(elementRareData());
     visitor->trace(m_elementData);
 #endif
     ContainerNode::trace(visitor);
 }
 
 } // namespace blink