Make StyleChange parameter explicit in setNeedsStyleRecalc.

Source/core/dom/shadow/ElementShadow.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 273 matching lines @@
 }
 
 const DestinationInsertionPoints* ElementShadow::destinationInsertionPointsFor(const Node* key) const
 {
     NodeToDestinationInsertionPoints::const_iterator it = m_nodeToInsertionPoints.find(key);
     return it == m_nodeToInsertionPoints.end() ? 0: &it->value;
 }
 
 void ElementShadow::distribute()
 {
-    host()->setNeedsStyleRecalc();
+    host()->setNeedsStyleRecalc(SubtreeStyleChange);
     Vector<HTMLShadowElement*, 32> shadowInsertionPoints;
     DistributionPool pool(*host());
 
     for (ShadowRoot* root = youngestShadowRoot(); root; root = root->olderShadowRoot()) {
         HTMLShadowElement* shadowInsertionPoint = 0;
         const Vector<RefPtr<InsertionPoint> >& insertionPoints = root->descendantInsertionPoints();
         for (size_t i = 0; i < insertionPoints.size(); ++i) {
             InsertionPoint* point = insertionPoints[i].get();
             if (!point->isActive())
                 continue;
@@ skipping 81 matching lines @@
 
 void ElementShadow::clearDistribution()
 {
     m_nodeToInsertionPoints.clear();
 
     for (ShadowRoot* root = youngestShadowRoot(); root; root = root->olderShadowRoot())
         root->setShadowInsertionPointOfYoungerShadowRoot(0);
 }
 
 } // namespace