[Reland] Invalidate whitespace text on text color changes

third_party/WebKit/Source/core/layout/LayoutTreeAsText.cpp

 /*
  * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 176 matching lines @@
     LayoutBlock* cb = o.containingBlock();
     bool adjustForTableCells = cb ? cb->isTableCell() : false;
 
     LayoutRect r;
     if (o.isText()) {
         // FIXME: Would be better to dump the bounding box x and y rather than the first run's x and y, but that would involve updating
         // many test results.
         const LayoutText& text = toLayoutText(o);
         IntRect linesBox = text.linesBoundingBox();
         r = LayoutRect(IntRect(text.firstRunX(), text.firstRunY(), linesBox.width(), linesBox.height()));
-        if (adjustForTableCells && !text.firstTextBox())
+        if (adjustForTableCells && !text.hasTextBoxes())
             adjustForTableCells = false;
     } else if (o.isLayoutInline()) {
         // FIXME: Would be better not to just dump 0, 0 as the x and y here.
         const LayoutInline& inlineFlow = toLayoutInline(o);
         r = LayoutRect(IntRect(0, 0, inlineFlow.linesBoundingBox().width(), inlineFlow.linesBoundingBox().height()));
         adjustForTableCells = false;
     } else if (o.isTableCell()) {
         // FIXME: Deliberately dump the "inner" box of table cells, since that is what current results reflect.  We'd like
         // to clean up the results to dump both the outer box and the intrinsic padding so that both bits of information are
         // captured by the results.
@@ skipping 633 matching lines @@
     element->document().updateLayout();
 
     LayoutObject* layoutObject = element->layoutObject();
     if (!layoutObject || !layoutObject->isListItem())
         return String();
 
     return toLayoutListItem(layoutObject)->markerText();
 }
 
 } // namespace blink