Use C++11 range-based loop for core/css

Source/core/css/StyleSheetContents.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2012 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 411 matching lines @@
     m_didLoadErrorOccur |= sheet->errorOccurred();
     // updateLayoutIgnorePendingStyleSheets can cause us to create the RuleSet on this
     // sheet before its imports have loaded. So clear the RuleSet when the imports
     // load since the import's subrules are flattened into its parent sheet's RuleSet.
     clearRuleSet();
 }
 
 void StyleSheetContents::startLoadingDynamicSheet()
 {
     StyleSheetContents* root = rootStyleSheet();
-    for (ClientsIterator it = root->m_loadingClients.begin(); it != root->m_loadingClients.end(); ++it)
-        (*it)->startLoadingDynamicSheet();
+    for (const auto& client : root->m_loadingClients)
+        client->startLoadingDynamicSheet();
     // Copy the completed clients to a vector for iteration.
     // startLoadingDynamicSheet will move the style sheet from the
     // completed state to the loading state which modifies the set of
     // completed clients. We therefore need the copy in order to not
     // modify the set of completed clients while iterating it.
     WillBeHeapVector<RawPtrWillBeMember<CSSStyleSheet> > completedClients;
     copyToVector(root->m_completedClients, completedClients);
     for (unsigned i = 0; i < completedClients.size(); ++i)
         completedClients[i]->startLoadingDynamicSheet();
 }
@@ skipping 164 matching lines @@
 {
     if (!m_ruleSet) {
         m_ruleSet = RuleSet::create();
         m_ruleSet->addRulesFromSheet(this, medium, addRuleFlags);
     }
     return *m_ruleSet.get();
 }
 
 static void clearResolvers(WillBeHeapHashSet<RawPtrWillBeWeakMember<CSSStyleSheet> >& clients)
 {
-    for (WillBeHeapHashSet<RawPtrWillBeWeakMember<CSSStyleSheet> >::iterator it = clients.begin(); it != clients.end(); ++it) {
-        if (Document* document = (*it)->ownerDocument())
+    for (const auto& sheet : clients) {
+        if (Document* document = sheet->ownerDocument())
             document->styleEngine()->clearResolver();
     }
 }
 
 void StyleSheetContents::clearRuleSet()
 {
     if (StyleSheetContents* parentSheet = parentStyleSheet())
         parentSheet->clearRuleSet();
 
     // Don't want to clear the StyleResolver if the RuleSet hasn't been created
     // since we only clear the StyleResolver so that it's members are properly
     // updated in ScopedStyleResolver::addRulesFromSheet.
     if (!m_ruleSet)
         return;
 
     // Clearing the ruleSet means we need to recreate the styleResolver data structures.
     // See the StyleResolver calls in ScopedStyleResolver::addRulesFromSheet.
     clearResolvers(m_loadingClients);
     clearResolvers(m_completedClients);
     m_ruleSet.clear();
 }
 
 static void removeFontFaceRules(WillBeHeapHashSet<RawPtrWillBeWeakMember<CSSStyleSheet> >& clients, const StyleRuleFontFace* fontFaceRule)
 {
-    for (WillBeHeapHashSet<RawPtrWillBeWeakMember<CSSStyleSheet> >::iterator it = clients.begin(); it != clients.end(); ++it) {
-        if (Node* ownerNode = (*it)->ownerNode())
+    for (const auto& sheet : clients) {
+        if (Node* ownerNode = sheet->ownerNode())
             ownerNode->document().styleEngine()->removeFontFaceRules(WillBeHeapVector<RawPtrWillBeMember<const StyleRuleFontFace> >(1, fontFaceRule));
     }
 }
 
 void StyleSheetContents::notifyRemoveFontFaceRule(const StyleRuleFontFace* fontFaceRule)
 {
     StyleSheetContents* root = rootStyleSheet();
     removeFontFaceRules(root->m_loadingClients, fontFaceRule);
     removeFontFaceRules(root->m_completedClients, fontFaceRule);
 }
@@ skipping 31 matching lines @@
     visitor->trace(m_ownerRule);
     visitor->trace(m_importRules);
     visitor->trace(m_childRules);
     visitor->trace(m_loadingClients);
     visitor->trace(m_completedClients);
     visitor->trace(m_ruleSet);
 #endif
 }
 
 }