Make setNeedsActiveStyleUpdate mark treescope dirty only.

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

Index: third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp b/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
index 38cddc87122147cde22309985d14c1951944b10f..c73e440047c214df9a85217a9e92819fac50eac3 100644
--- a/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLLinkElement.cpp
@@ -219,13 +219,12 @@ void HTMLLinkElement::removedFrom(ContainerNode* insertionPoint) {
   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() {