[SPInvalidation] Use GeometryMapper in PaintLayerClipper for paint.

third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 215 matching lines @@
     // the current status.
     DisableCompositingQueryAsserts compositingDisabler;
     DisablePaintInvalidationStateAsserts paintDisabler;
     ObjectPaintInvalidator(*this)
         .invalidatePaintIncludingNonCompositingDescendants();
   }
 
   FloatStateForStyleChange::setWasFloating(this, isFloating());
 
   if (hasLayer() && diff.cssClipChanged())
-    layer()->clipper().clearClipRectsIncludingDescendants();
+    layer()->clipper(false).clearClipRectsIncludingDescendants();
 
   LayoutObject::styleWillChange(diff, newStyle);
 }
 
 DISABLE_CFI_PERF
 void LayoutBoxModelObject::styleDidChange(StyleDifference diff,
                                           const ComputedStyle* oldStyle) {
   bool hadTransformRelatedProperty = hasTransformRelatedProperty();
   bool hadLayer = hasLayer();
   bool layerWasSelfPainting = hadLayer && layer()->isSelfPaintingLayer();
@@ skipping 1100 matching lines @@
   if (rootElementStyle->hasBackground())
     return false;
 
   if (node() != document().firstBodyElement())
     return false;
 
   return true;
 }
 
 }  // namespace blink