Fix button color on Android to match Ash

Source/core/rendering/RenderThemeChromiumAndroid.h

 /*
  * Copyright (C) 2011 Google 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
@@ skipping 17 matching lines @@
 
 #include "core/rendering/RenderThemeChromiumDefault.h"
 
 namespace WebCore {
 
 class RenderThemeChromiumAndroid FINAL : public RenderThemeChromiumDefault {
 public:
     static PassRefPtr<RenderTheme> create();
     virtual String extraDefaultStyleSheet() OVERRIDE;
 
-    virtual Color systemColor(CSSValueID) const OVERRIDE;
-
     virtual void adjustInnerSpinButtonStyle(RenderStyle*, Element*) const OVERRIDE;
 
     virtual bool delegatesMenuListRendering() const OVERRIDE { return true; }
 
     virtual bool paintMediaOverlayPlayButton(RenderObject*, const PaintInfo&, const IntRect&) OVERRIDE;
 
     virtual String extraMediaControlsStyleSheet() OVERRIDE;
 
     virtual Color platformTapHighlightColor() const OVERRIDE
     {
@@ skipping 11 matching lines @@
 private:
     virtual ~RenderThemeChromiumAndroid();
 
     static const RGBA32 defaultTapHighlightColor = 0x6633b5e5;
     static const RGBA32 defaultActiveSelectionBackgroundColor = 0x6633b5e5;
 };
 
 } // namespace WebCore
 
 #endif // RenderThemeChromiumAndroid_h