Separate @viewport from other RuleSet construction.

third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.cpp

 /*
  * 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) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 20 matching lines @@
 #include "core/HTMLNames.h"
 #include "core/animation/DocumentTimeline.h"
 #include "core/css/CSSFontSelector.h"
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/FontFace.h"
 #include "core/css/PageRuleCollector.h"
 #include "core/css/RuleFeature.h"
 #include "core/css/StyleRule.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/css/resolver/MatchRequest.h"
-#include "core/css/resolver/ViewportStyleResolver.h"
 #include "core/dom/Document.h"
 #include "core/dom/StyleChangeReason.h"
 #include "core/dom/StyleEngine.h"
 #include "core/dom/shadow/ElementShadow.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/html/HTMLStyleElement.h"
 #include "core/svg/SVGStyleElement.h"
 
 namespace blink {
 
@@ skipping 201 matching lines @@
 }
 
 void ScopedStyleResolver::matchPageRules(PageRuleCollector& collector) {
   // Only consider the global author RuleSet for @page rules, as per the HTML5
   // spec.
   ASSERT(m_scope->rootNode().isDocumentNode());
   for (size_t i = 0; i < m_authorStyleSheets.size(); ++i)
     collector.matchPageRules(&m_authorStyleSheets[i]->contents()->ruleSet());
 }
 
-void ScopedStyleResolver::collectViewportRulesTo(
-    ViewportStyleResolver* resolver) const {
-  if (!m_scope->rootNode().isDocumentNode())
-    return;
-  for (size_t i = 0; i < m_authorStyleSheets.size(); ++i)
-    resolver->collectViewportRules(
-        &m_authorStyleSheets[i]->contents()->ruleSet(),
-        ViewportStyleResolver::AuthorOrigin);
-}
-
 DEFINE_TRACE(ScopedStyleResolver) {
   visitor->trace(m_scope);
   visitor->trace(m_authorStyleSheets);
   visitor->trace(m_keyframesRuleMap);
   visitor->trace(m_treeBoundaryCrossingRuleSet);
 }
 
 static void addRules(RuleSet* ruleSet,
                      const HeapVector<MinimalRuleData>& rules) {
   for (unsigned i = 0; i < rules.size(); ++i) {
@@ skipping 32 matching lines @@
   m_treeBoundaryCrossingRuleSet->append(
       RuleSubSet::create(parentStyleSheet, sheetIndex, ruleSetForScope));
 }
 
 DEFINE_TRACE(ScopedStyleResolver::RuleSubSet) {
   visitor->trace(m_parentStyleSheet);
   visitor->trace(m_ruleSet);
 }
 
 }  // namespace blink