Split compound selector after consume finished.

third_party/WebKit/Source/core/css/RuleFeature.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/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 387 matching lines @@
                     allSubSelectorsHaveFeatures &= result.second == UseFeatures;
                 }
                 foundFeatures |= allSubSelectorsHaveFeatures;
             }
         }
 
         if (current->relation() == CSSSelector::SubSelector)
             continue;
 
         features.treeBoundaryCrossing = current->isShadowSelector();
+        if (current->relationIsAffectedByPseudoContent()) {
+            features.contentPseudoCrossing = true;
+            features.insertionPointCrossing = true;
+        }
         features.adjacent = current->isAdjacentSelector();
         if (current->relation() == CSSSelector::DirectAdjacent)
             features.maxDirectAdjacentSelectors = 1;
         return std::make_pair(current->tagHistory(), foundFeatures ? UseFeatures : ForceSubtree);
     }
     return std::make_pair(nullptr,  foundFeatures ? UseFeatures : ForceSubtree);
 }
 
 // Add features extracted from the rightmost compound selector to descendant invalidation
 // sets for features found in other compound selectors.
@@ skipping 48 matching lines @@
                 if (siblingFeatures == &descendantFeatures)
                     siblingInvalidationSet->descendants().setInvalidatesSelf();
                 else
                     addFeaturesToInvalidationSet(siblingInvalidationSet->descendants(), descendantFeatures);
             } else {
                 addFeaturesToInvalidationSet(*invalidationSet, descendantFeatures);
             }
         } else {
             if (current->isHostPseudoClass())
                 descendantFeatures.treeBoundaryCrossing = true;
-            if (current->isInsertionPointCrossing()) {
+            if (current->isInsertionPointCrossing())
                 descendantFeatures.insertionPointCrossing = true;
-                if (current->pseudoType() == CSSSelector::PseudoContent)
-                    descendantFeatures.contentPseudoCrossing = true;
-            }
             if (const CSSSelectorList* selectorList = current->selectorList()) {
                 ASSERT(supportsInvalidationWithSelectorList(current->pseudoType()));
                 for (const CSSSelector* subSelector = selectorList->first(); subSelector; subSelector = CSSSelectorList::next(*subSelector))
                     addFeaturesToInvalidationSets(subSelector, siblingFeatures, descendantFeatures);
             }
         }
 
         if (current->relation() == CSSSelector::SubSelector)
             continue;
 
+        if (current->relationIsAffectedByPseudoContent()) {
+            descendantFeatures.insertionPointCrossing = true;
+            descendantFeatures.contentPseudoCrossing = true;
+        }
         if (current->isShadowSelector())
             descendantFeatures.treeBoundaryCrossing = true;
-
         if (!current->isAdjacentSelector()) {
             lastCompoundSelectorInAdjacentChain = current->tagHistory();
             siblingFeatures = nullptr;
             continue;
         }
 
         if (siblingFeatures) {
             if (siblingFeatures->maxDirectAdjacentSelectors == UINT_MAX)
                 continue;
 
@@ skipping 170 matching lines @@
 
 DEFINE_TRACE(RuleFeatureSet)
 {
 #if ENABLE(OILPAN)
     visitor->trace(siblingRules);
     visitor->trace(uncommonAttributeRules);
 #endif
 }
 
 } // namespace blink