Add a dirty bit for updateDescendantDependentFlags.

Source/core/paint/DeprecatedPaintLayer.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
@@ skipping 473 matching lines @@
     CompositingReasons compositingReasons() const { ASSERT(isAllowedToQueryCompositingState()); return m_compositingReasons; }
     void setCompositingReasons(CompositingReasons, CompositingReasons mask = CompositingReasonAll);
 
     bool hasCompositingDescendant() const { ASSERT(isAllowedToQueryCompositingState()); return m_hasCompositingDescendant; }
     void setHasCompositingDescendant(bool);
 
     bool shouldIsolateCompositedDescendants() const { ASSERT(isAllowedToQueryCompositingState()); return m_shouldIsolateCompositedDescendants; }
     void setShouldIsolateCompositedDescendants(bool);
 
     void updateDescendantDependentFlags();
-    void updateDescendantDependentFlagsForEntireSubtree();
 
     void updateOrRemoveFilterEffectBuilder();
 
     void updateSelfPaintingLayer();
 
     DeprecatedPaintLayer* enclosingTransformedAncestor() const;
     LayoutPoint computeOffsetFromTransformedAncestor() const;
 
     void didUpdateNeedsCompositedScrolling();
 
@@ skipping 218 matching lines @@
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLayerTree(const blink::DeprecatedPaintLayer*);
 void showLayerTree(const blink::LayoutObject*);
 #endif
 
 #endif // Layer_h