Check if input element is a range control before painting slider ticks

Source/core/rendering/RenderTheme.cpp

 /**
  * This file is part of the theme implementation for form controls in WebCore.
  *
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Computer, Inc.
  *
  * 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 850 matching lines @@
     return true;
 }
 
 void RenderTheme::paintSliderTicks(RenderObject* o, const PaintInfo& paintInfo, const IntRect& rect)
 {
     Node* node = o->node();
     if (!node || !node->hasTagName(inputTag))
         return;
 
     HTMLInputElement* input = toHTMLInputElement(node);
+    if (!input->isRangeControl())
+        return;
+
     HTMLDataListElement* dataList = input->dataList();
     if (!dataList)
         return;
 
     double min = input->minimum();
     double max = input->maximum();
     ControlPart part = o->style()->appearance();
     // We don't support ticks on alternate sliders like MediaVolumeSliders.
     if (part !=  SliderHorizontalPart && part != SliderVerticalPart)
         return;
@@ skipping 367 matching lines @@
 
     // padding - not honored by WinIE, needs to be removed.
     style->resetPadding();
 
     // border - honored by WinIE, but looks terrible (just paints in the control box and turns off the Windows XP theme)
     // for now, we will not honor it.
     style->resetBorder();
 }
 
 } // namespace WebCore