Avoid RenderObject::paintInvalidationForWholeRenderer() if possible

Source/core/rendering/RenderBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * 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
@@ skipping 994 matching lines @@
         RenderBlock* block = createAnonymousBlock();
         children()->insertChildNode(this, block, inlineRunStart);
         moveChildrenTo(block, inlineRunStart, child);
     }
 
 #if ENABLE(ASSERT)
     for (RenderObject *c = firstChild(); c; c = c->nextSibling())
         ASSERT(!c->isInline());
 #endif
 
-    paintInvalidationForWholeRenderer();
+    setShouldDoFullPaintInvalidation(true);
 }
 
 void RenderBlock::removeLeftoverAnonymousBlock(RenderBlock* child)
 {
     ASSERT(child->isAnonymousBlock());
     ASSERT(!child->childrenInline());
 
     if (child->continuation() || (child->firstChild() && (child->isAnonymousColumnSpanBlock() || child->isAnonymousColumnsBlock())))
         return;
 
@@ skipping 3806 matching lines @@
 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const RenderObject* obj) const
 {
     showRenderObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace blink