Collect @viewport before constructing RuleSets.

third_party/WebKit/Source/core/css/RuleSet.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 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/)
@@ skipping 239 matching lines @@
     // rules.
     m_universalRules.append(ruleData);
   }
 }
 
 void RuleSet::addPageRule(StyleRulePage* rule) {
   ensurePendingRules();  // So that m_pageRules.shrinkToFit() gets called.
   m_pageRules.append(rule);
 }
 
-void RuleSet::addViewportRule(StyleRuleViewport* rule) {
-  ensurePendingRules();  // So that m_viewportRules.shrinkToFit() gets called.
-  m_viewportRules.append(rule);
-}
-
 void RuleSet::addFontFaceRule(StyleRuleFontFace* rule) {
   ensurePendingRules();  // So that m_fontFaceRules.shrinkToFit() gets called.
   m_fontFaceRules.append(rule);
 }
 
 void RuleSet::addKeyframesRule(StyleRuleKeyframes* rule) {
   ensurePendingRules();  // So that m_keyframesRules.shrinkToFit() gets called.
   m_keyframesRules.append(rule);
 }
 
@@ skipping 29 matching lines @@
       StyleRuleMedia* mediaRule = toStyleRuleMedia(rule);
       if ((!mediaRule->mediaQueries() ||
            medium.eval(mediaRule->mediaQueries(),
                        &m_viewportDependentMediaQueryResults,
                        &m_deviceDependentMediaQueryResults)))
         addChildRules(mediaRule->childRules(), medium, addRuleFlags);
     } else if (rule->isFontFaceRule()) {
       addFontFaceRule(toStyleRuleFontFace(rule));
     } else if (rule->isKeyframesRule()) {
       addKeyframesRule(toStyleRuleKeyframes(rule));
-    } else if (rule->isViewportRule()) {
-      addViewportRule(toStyleRuleViewport(rule));
     } else if (rule->isSupportsRule() &&
                toStyleRuleSupports(rule)->conditionIsSupported()) {
       addChildRules(toStyleRuleSupports(rule)->childRules(), medium,
                     addRuleFlags);
     }
   }
 }
 
 void RuleSet::addRulesFromSheet(StyleSheetContents* sheet,
                                 const MediaQueryEvaluator& medium,
@@ skipping 48 matching lines @@
   compactPendingRules(pendingRules->classRules, m_classRules);
   compactPendingRules(pendingRules->tagRules, m_tagRules);
   compactPendingRules(pendingRules->shadowPseudoElementRules,
                       m_shadowPseudoElementRules);
   m_linkPseudoClassRules.shrinkToFit();
   m_cuePseudoRules.shrinkToFit();
   m_focusPseudoClassRules.shrinkToFit();
   m_universalRules.shrinkToFit();
   m_shadowHostRules.shrinkToFit();
   m_pageRules.shrinkToFit();
-  m_viewportRules.shrinkToFit();
   m_fontFaceRules.shrinkToFit();
   m_keyframesRules.shrinkToFit();
   m_deepCombinatorOrShadowPseudoRules.shrinkToFit();
   m_contentPseudoElementRules.shrinkToFit();
   m_slottedPseudoElementRules.shrinkToFit();
 }
 
 DEFINE_TRACE(MinimalRuleData) {
   visitor->trace(m_rule);
 }
@@ skipping 14 matching lines @@
   visitor->trace(m_classRules);
   visitor->trace(m_tagRules);
   visitor->trace(m_shadowPseudoElementRules);
   visitor->trace(m_linkPseudoClassRules);
   visitor->trace(m_cuePseudoRules);
   visitor->trace(m_focusPseudoClassRules);
   visitor->trace(m_universalRules);
   visitor->trace(m_shadowHostRules);
   visitor->trace(m_features);
   visitor->trace(m_pageRules);
-  visitor->trace(m_viewportRules);
   visitor->trace(m_fontFaceRules);
   visitor->trace(m_keyframesRules);
   visitor->trace(m_deepCombinatorOrShadowPseudoRules);
   visitor->trace(m_contentPseudoElementRules);
   visitor->trace(m_slottedPseudoElementRules);
   visitor->trace(m_viewportDependentMediaQueryResults);
   visitor->trace(m_deviceDependentMediaQueryResults);
   visitor->trace(m_pendingRules);
 #ifndef NDEBUG
   visitor->trace(m_allRules);
 #endif
 }
 
 #ifndef NDEBUG
 void RuleSet::show() const {
   for (const auto& rule : m_allRules)
     rule.selector().show();
 }
 #endif
 
 }  // namespace blink