Remove ForceHorriblySlowRectMapping

third_party/WebKit/Source/core/layout/svg/LayoutSVGBlock.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 97 matching lines @@
 {
     return SVGLayoutSupport::mapToVisualRectInAncestorSpace(*this, ancestor, FloatRect(rect), rect);
 }
 
 bool LayoutSVGBlock::nodeAtPoint(HitTestResult&, const HitTestLocation&, const LayoutPoint&, HitTestAction)
 {
     ASSERT_NOT_REACHED();
     return false;
 }
 
-void LayoutSVGBlock::invalidateTreeIfNeeded(const PaintInvalidationState& paintInvalidationState)
-{
-    if (!shouldCheckForPaintInvalidation(paintInvalidationState))
-        return;
-
-    // TODO(wangxianzhu): Move this to fast path if possible. crbug.com/391054.
-    ForceHorriblySlowRectMapping slowRectMapping(&paintInvalidationState);
-    LayoutBlockFlow::invalidateTreeIfNeeded(paintInvalidationState);
-}
-
 } // namespace blink