Revert of Remove 2 calls to paintInvalidationForWholeRenderer

Source/core/rendering/RenderObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2009 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 394 matching lines @@
     virtual bool isTableCaption() const { return false; }
     virtual bool isTableCell() const { return false; }
     virtual bool isTableRow() const { return false; }
     virtual bool isTableSection() const { return false; }
     virtual bool isTextArea() const { return false; }
     virtual bool isTextControl() const { return false; }
     virtual bool isTextField() const { return false; }
     virtual bool isVideo() const { return false; }
     virtual bool isWidget() const { return false; }
 
-    // The background of the root element or the body element could propagate up to the canvas.
-    bool backgroundCanBleedToCanvas() const { return isBody() || isDocumentElement(); }
-
     bool isDocumentElement() const { return document().documentElement() == m_node; }
     // isBody is called from RenderBox::styleWillChange and is thus quite hot.
     bool isBody() const { return node() && node()->hasTagName(HTMLNames::bodyTag); }
     bool isHR() const;
     bool isLegend() const;
 
     bool isTablePart() const { return isTableCell() || isRenderTableCol() || isTableCaption() || isTableRow() || isTableSection(); }
 
     inline bool isBeforeContent() const;
     inline bool isAfterContent() const;
@@ skipping 1115 matching lines @@
 void showTree(const blink::RenderObject*);
 void showLineTree(const blink::RenderObject*);
 void showRenderTree(const blink::RenderObject* object1);
 // We don't make object2 an optional parameter so that showRenderTree
 // can be called from gdb easily.
 void showRenderTree(const blink::RenderObject* object1, const blink::RenderObject* object2);
 
 #endif
 
 #endif // RenderObject_h