Simplify watched selector handling and remove remnants of user stylesheets

Source/core/css/resolver/MatchResult.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google 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 14 matching lines @@
 
 #include "core/css/RuleSet.h"
 #include "core/css/SelectorChecker.h"
 #include "platform/heap/Handle.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class StylePropertySet;
-class StyleRule;
 
 struct RuleRange {
     RuleRange(int& firstRuleIndex, int& lastRuleIndex): firstRuleIndex(firstRuleIndex), lastRuleIndex(lastRuleIndex) { }
     int& firstRuleIndex;
     int& lastRuleIndex;
 };
 
 struct MatchRanges {
-    MatchRanges() : firstUARule(-1), lastUARule(-1), firstAuthorRule(-1), lastAuthorRule(-1), firstUserRule(-1), lastUserRule(-1) { }
+    MatchRanges() : firstUARule(-1), lastUARule(-1), firstAuthorRule(-1), lastAuthorRule(-1) { }
     int firstUARule;
     int lastUARule;
     int firstAuthorRule;
     int lastAuthorRule;
-    int firstUserRule;
-    int lastUserRule;
     RuleRange UARuleRange() { return RuleRange(firstUARule, lastUARule); }
     RuleRange authorRuleRange() { return RuleRange(firstAuthorRule, lastAuthorRule); }
-    RuleRange userRuleRange() { return RuleRange(firstUserRule, lastUserRule); }
 };
 
 struct MatchedProperties {
     ALLOW_ONLY_INLINE_ALLOCATION();
 public:
     MatchedProperties();
     ~MatchedProperties();
 
     void trace(Visitor*);
 
@@ skipping 13 matching lines @@
 
 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::MatchedProperties);
 
 namespace blink {
 
 class MatchResult {
     STACK_ALLOCATED();
 public:
     MatchResult() : isCacheable(true) { }
     WillBeHeapVector<MatchedProperties, 64> matchedProperties;
-    WillBeHeapVector<RawPtrWillBeMember<StyleRule>, 64> matchedRules;
     MatchRanges ranges;
     bool isCacheable;
 
-    void addMatchedProperties(const StylePropertySet* properties, StyleRule* = 0, unsigned linkMatchType = SelectorChecker::MatchAll, PropertyWhitelistType = PropertyWhitelistNone);
+    void addMatchedProperties(const StylePropertySet* properties, unsigned linkMatchType = SelectorChecker::MatchAll, PropertyWhitelistType = PropertyWhitelistNone);
 };
 
 inline bool operator==(const MatchRanges& a, const MatchRanges& b)
 {
     return a.firstUARule == b.firstUARule
         && a.lastUARule == b.lastUARule
         && a.firstAuthorRule == b.firstAuthorRule
-        && a.lastAuthorRule == b.lastAuthorRule
-        && a.firstUserRule == b.firstUserRule
-        && a.lastUserRule == b.lastUserRule;
+        && a.lastAuthorRule == b.lastAuthorRule;
 }
 
 inline bool operator!=(const MatchRanges& a, const MatchRanges& b)
 {
     return !(a == b);
 }
 
 inline bool operator==(const MatchedProperties& a, const MatchedProperties& b)
 {
     return a.properties == b.properties && a.m_types.linkMatchType == b.m_types.linkMatchType;
 }
 
 inline bool operator!=(const MatchedProperties& a, const MatchedProperties& b)
 {
     return !(a == b);
 }
 
 } // namespace blink
 
 #endif // MatchResult_h