[Reland] Invalidate whitespace text on text color changes

third_party/WebKit/Source/core/dom/ContainerNode.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2013 Apple 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 920 matching lines @@
             if (!o)
                 break;
         }
         ASSERT(o);
 
         if (!o->isInline() || o->isReplaced()) {
             point = o->localToAbsolute(FloatPoint(), UseTransforms);
             return true;
         }
 
-        if (p->node() && p->node() == this && o->isText() && !o->isBR() && !toLayoutText(o)->firstTextBox()) {
+        if (p->node() && p->node() == this && o->isText() && !o->isBR() && !toLayoutText(o)->hasTextBoxes()) {
             // Do nothing - skip unrendered whitespace that is a child or next sibling of the anchor.
         } else if ((o->isText() && !o->isBR()) || o->isReplaced()) {
             point = FloatPoint();
             if (o->isText() && toLayoutText(o)->firstTextBox()) {
                 point.move(toLayoutText(o)->linesBoundingBox().x(), toLayoutText(o)->firstTextBox()->root().lineTop().toFloat());
                 point = o->localToAbsolute(point, UseTransforms);
             } else if (o->isBox()) {
                 LayoutBox* box = toLayoutBox(o);
                 point.moveBy(box->location());
                 point = o->container()->localToAbsolute(point, UseTransforms);
@@ skipping 576 matching lines @@
         return true;
 
     if (node->isElementNode() && toElement(node)->shadow())
         return true;
 
     return false;
 }
 #endif
 
 } // namespace blink