Clear document scope dirtiness in import StyleEngine.

third_party/WebKit/Source/core/dom/StyleEngine.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 107 matching lines @@
     DCHECK(IsMaster());
     DCHECK(global_rule_set_);
     return global_rule_set_->WatchedSelectorsRuleSet();
   }
   bool HasStyleSheets() const {
     return GetDocumentStyleSheetCollection().HasStyleSheets();
   }
 
   RuleSet* RuleSetForSheet(CSSStyleSheet&);
   void MediaQueryAffectingValueChanged();
-  void UpdateStyleSheetsInImport(StyleEngine& master_engine,
-                                 DocumentStyleSheetCollector& parent_collector);
+  void UpdateActiveStyleSheetsInImport(
+      StyleEngine& master_engine,
+      DocumentStyleSheetCollector& parent_collector);
   void UpdateActiveStyle();
   void MarkAllTreeScopesDirty() { all_tree_scopes_dirty_ = true; }
 
   String PreferredStylesheetSetName() const {
     return preferred_stylesheet_set_name_;
   }
   String SelectedStylesheetSetName() const {
     return selected_stylesheet_set_name_;
   }
   void SetPreferredStylesheetSetNameIfNotSet(const String&);
@@ skipping 255 matching lines @@
 
   std::unique_ptr<StyleResolverStats> style_resolver_stats_;
   unsigned style_for_element_count_ = 0;
 
   friend class StyleEngineTest;
 };
 
 }  // namespace blink
 
 #endif