Replace LayoutObject::skipInvalidationWhenLaidOutChildren() with paintedOutputOfObjectHasNoEffect

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

 /*
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 26 matching lines @@
     // When hasRelativeLengths() is false, no descendants have relative lengths
     // (hence no one is interested in viewport size changes).
     bool layoutSizeChanged = element()->hasRelativeLengths()
         && SVGLayoutSupport::layoutSizeOfNearestViewportChanged(this);
 
     SVGLayoutSupport::layoutChildren(firstChild(), selfNeedsLayout(), false, layoutSizeChanged);
     updateCachedBoundaries();
     clearNeedsLayout();
 }
 
-void LayoutSVGHiddenContainer::paint(const PaintInfo&, const LayoutPoint&) const
-{
-    // This subtree does not paint.
-}
-
-void LayoutSVGHiddenContainer::absoluteQuads(Vector<FloatQuad>&) const
-{
-    // This subtree does not take up space or paint
-}
-

[Xianzhu, 2016/08/03 19:56:37]

The above implementations are moved into the header because it looks clearer for
that group of functions under "LayoutSVGHiddenContainer paints nothing" comment.

 bool LayoutSVGHiddenContainer::nodeAtFloatPoint(HitTestResult&, const FloatPoint&, HitTestAction)
 {
     return false;
 }
 
 } // namespace blink