Remove element related checks for PseudoDisabled css class.

third_party/WebKit/Source/core/css/SelectorChecker.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 811 matching lines @@
         if (InspectorInstrumentation::forcePseudoState(&element, CSSSelector::PseudoActive))
             return true;
         return element.active();
     case CSSSelector::PseudoEnabled:
         return element.matchesEnabledPseudoClass();
     case CSSSelector::PseudoFullPageMedia:
         return element.document().isMediaDocument();
     case CSSSelector::PseudoDefault:
         return element.matchesDefaultPseudoClass();
     case CSSSelector::PseudoDisabled:
-        // TODO(esprehn): Why not just always return isDisabledFormControl()?
-        // Can it be true for elements not in the list below?
-        if (element.isFormControlElement() || isHTMLOptionElement(element) || isHTMLOptGroupElement(element))
-            return element.isDisabledFormControl();
-        break;
+        return element.isDisabledFormControl();
     case CSSSelector::PseudoReadOnly:
         return element.matchesReadOnlyPseudoClass();
     case CSSSelector::PseudoReadWrite:
         return element.matchesReadWritePseudoClass();
     case CSSSelector::PseudoOptional:
         return element.isOptionalFormControl();
     case CSSSelector::PseudoRequired:
         return element.isRequiredFormControl();
     case CSSSelector::PseudoValid:
         if (m_mode == ResolvingStyle)
@@ skipping 292 matching lines @@
 }
 
 bool SelectorChecker::matchesFocusPseudoClass(const Element& element)
 {
     if (InspectorInstrumentation::forcePseudoState(const_cast<Element*>(&element), CSSSelector::PseudoFocus))
         return true;
     return element.focused() && isFrameFocused(element);
 }
 
 } // namespace blink