Make setNeedsActiveStyleUpdate mark treescope dirty only.

third_party/WebKit/Source/core/html/HTMLLinkElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 201 matching lines @@
 
   m_linkLoader->released();
 
   if (!wasConnected) {
     DCHECK(!linkStyle() || !linkStyle()->hasSheet());
     return;
   }
   document().styleEngine().removeStyleSheetCandidateNode(*this,
                                                          *insertionPoint);
 
-  StyleSheet* removedSheet = sheet();
-
   if (m_link)
     m_link->ownerRemoved();
 
-  document().styleEngine().setNeedsActiveStyleUpdate(removedSheet,
-                                                     AnalyzedStyleUpdate);
+  // TODO(rune@opera.com): resolverChanged() can be removed once stylesheet
+  // updates are async. https://crbug.com/567021
+  document().styleEngine().resolverChanged(AnalyzedStyleUpdate);
 }
 
 void HTMLLinkElement::finishParsingChildren() {
   m_createdByParser = false;
   HTMLElement::finishParsingChildren();
 }
 
 bool HTMLLinkElement::styleSheetIsLoading() const {
   return linkStyle() && linkStyle()->styleSheetIsLoading();
 }
@@ skipping 122 matching lines @@
   LinkLoaderClient::trace(visitor);
   DOMTokenListObserver::trace(visitor);
 }
 
 DEFINE_TRACE_WRAPPERS(HTMLLinkElement) {
   visitor->traceWrappers(m_relList);
   HTMLElement::traceWrappers(visitor);
 }
 
 }  // namespace blink