Simplify CSSSelector::isAttributeSelector() by not checking each Match type

Source/core/css/CSSSelector.h

 /*
  * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
  *               1999 Waldo Bastian (bastian@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  *
  * 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 92 matching lines @@
         // http://www.w3.org/TR/css3-selectors/#specificity
         // We use 256 as the base of the specificity number system.
         unsigned specificity() const;
 
         /* how the attribute value has to match.... Default is Exact */
         enum Match {
             Unknown = 0,
             Tag, // Example: div
             Id, // Example: #id
             Class, // example: .class
+            PseudoClass, // Example:  :nth-child(2)
+            PseudoElement, // Example: ::first-line
+            PagePseudoClass, // ??
             Exact, // Example: E[foo="bar"]
             Set, // Example: E[foo]
+            Hyphen, // Example: E[foo|="bar"]
             List, // Example: E[foo~="bar"]
-            Hyphen, // Example: E[foo|="bar"]
-            PseudoClass, // Example:  :nth-child(2)
-            PseudoElement, // Example: ::first-line
             Contain, // css3: E[foo*="bar"]
             Begin, // css3: E[foo^="bar"]
             End, // css3: E[foo$="bar"]
-            PagePseudoClass // ??
+            FirstAttributeSelectorMatch = Exact,
         };
 
         enum Relation {
             Descendant = 0, // "Space" combinator
             Child, // > combinator
             DirectAdjacent, // + combinator
             IndirectAdjacent, // ~ combinator
             SubSelector, // "No space" combinator
             ShadowPseudo, // Special case of shadow DOM pseudo elements / shadow pseudo element
             ShadowDeep // /shadow-deep/ combinator
@@ skipping 262 matching lines @@
         || type == PseudoOnlyChild
         || type == PseudoOnlyOfType
         || type == PseudoNthChild
         || type == PseudoNthOfType
         || type == PseudoNthLastChild
         || type == PseudoNthLastOfType;
 }
 
 inline bool CSSSelector::isAttributeSelector() const
 {
-    return m_match == CSSSelector::Exact
-        || m_match ==  CSSSelector::Set
-        || m_match == CSSSelector::List
-        || m_match == CSSSelector::Hyphen
-        || m_match == CSSSelector::Contain
-        || m_match == CSSSelector::Begin
-        || m_match == CSSSelector::End;
+    return m_match >= FirstAttributeSelectorMatch;
 }
 
 inline bool CSSSelector::isContentPseudoElement() const
 {
     return m_match == PseudoElement && pseudoType() == PseudoContent;
 }
 
 inline bool CSSSelector::isShadowPseudoElement() const
 {
     return m_match == PseudoElement && pseudoType() == PseudoShadow;
@@ skipping 90 matching lines @@
     if (m_hasRareData)
         return m_data.m_rareData->m_value;
     // AtomicString is really just a StringImpl* so the cast below is safe.
     // FIXME: Perhaps call sites could be changed to accept StringImpl?
     return *reinterpret_cast<const AtomicString*>(&m_data.m_value);
 }
 
 } // namespace WebCore
 
 #endif // CSSSelector_h