Move isValid/isCurrentColor from Color to StyleColor

Source/core/rendering/RenderThemeChromiumWin.cpp

 /*
  * This file is part of the WebKit project.
  *
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2008, 2009 Google, Inc.
  * Copyright (C) 2009 Kenneth Rohde Christiansen
  *
  * 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 534 matching lines @@
 }
 
 bool RenderThemeChromiumWin::paintTextFieldInternal(RenderObject* o,
                                                     const PaintInfo& i,
                                                     const IntRect& r,
                                                     bool drawEdges)
 {
     // Fallback to white if the specified color object is invalid.
     Color backgroundColor(Color::white);
     if (o->style()->visitedDependentColor(CSSPropertyBackgroundColor).isValid())
-        backgroundColor = o->style()->visitedDependentColor(CSSPropertyBackgroundColor);
+        backgroundColor = o->resolveColor(CSSPropertyBackgroundColor);
 
     // If we have background-image, don't fill the content area to expose the
     // parent's background. Also, we shouldn't fill the content area if the
     // alpha of the color is 0. The API of Windows GDI ignores the alpha.
     //
     // Note that we should paint the content area white if we have neither the
     // background color nor background image explicitly specified to keep the
     // appearance of select element consistent with other browsers.
     bool fillContentArea = !o->style()->hasBackgroundImage() && backgroundColor.alpha();
 
@@ skipping 90 matching lines @@
 
 bool RenderThemeChromiumWin::shouldUseFallbackTheme(RenderStyle* style) const
 {
     ControlPart part = style->appearance();
     if (part == CheckboxPart || part == RadioPart)
         return style->effectiveZoom() != 1;
     return false;
 }
 
 } // namespace WebCore