Remove CascadeScope.

sky/engine/core/css/resolver/StyleResolver.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 211 matching lines @@
 
 StyleResolver::~StyleResolver()
 {
 }
 
 void StyleResolver::matchAuthorRules(Element* element, ElementRuleCollector& collector)
 {
     collector.clearMatchedRules();
     collector.matchedResult().ranges.lastAuthorRule = collector.matchedResult().matchedProperties.size() - 1;
 
-    // TODO(esprehn): Eliminate CascadeScope and CascadeOrder.
-    CascadeScope cascadeScope = 0;
+    // TODO(esprehn): Eliminate CascadeOrder.
     CascadeOrder cascadeOrder = 0;
 
     // TODO(esprehn): This can only match :host rules, we should just store
     // them in a separate RuleSet.
     if (ShadowRoot* shadowRoot = element->shadowRoot())
-        shadowRoot->scopedStyleResolver().collectMatchingAuthorRules(collector, cascadeScope, cascadeOrder++);
+        shadowRoot->scopedStyleResolver().collectMatchingAuthorRules(collector, cascadeOrder++);
 
     ScopedStyleResolver& resolver = element->treeScope().scopedStyleResolver();
-    resolver.collectMatchingAuthorRules(collector, cascadeScope, cascadeOrder);
+    resolver.collectMatchingAuthorRules(collector, cascadeOrder);
 
     collector.sortAndTransferMatchedRules();
 }
 
 void StyleResolver::matchUARules(ElementRuleCollector& collector)
 {
     collector.setMatchingUARules(true);
 
     collector.clearMatchedRules();
     collector.matchedResult().ranges.lastUARule = collector.matchedResult().matchedProperties.size() - 1;
@@ skipping 532 matching lines @@
 bool StyleResolver::mediaQueryAffectedByViewportChange() const
 {
     for (unsigned i = 0; i < m_viewportDependentMediaQueryResults.size(); ++i) {
         if (m_medium->eval(m_viewportDependentMediaQueryResults[i]->expression()) != m_viewportDependentMediaQueryResults[i]->result())
             return true;
     }
     return false;
 }
 
 } // namespace blink