Revert 113047 - Make ExtensionService use ExtensionSet.

chrome/browser/themes/theme_service.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/themes/theme_service.h"
 
 #include "base/bind.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 320 matching lines @@
 }
 
 void ThemeService::RemoveUnusedThemes() {
   if (!profile_)
     return;
   ExtensionService* service = profile_->GetExtensionService();
   if (!service)
     return;
   std::string current_theme = GetThemeID();
   std::vector<std::string> remove_list;
-  const ExtensionSet* extensions = service->extensions();
-  for (ExtensionSet::const_iterator it = extensions->begin();
+  const ExtensionList* extensions = service->extensions();
+  for (ExtensionList::const_iterator it = extensions->begin();
        it != extensions->end(); ++it) {
     if ((*it)->is_theme() && (*it)->id() != current_theme) {
       remove_list.push_back((*it)->id());
     }
   }
   for (size_t i = 0; i < remove_list.size(); ++i)
     service->UninstallExtension(remove_list[i], false, NULL);
 }
 
 void ThemeService::UseDefaultTheme() {
@@ skipping 316 matching lines @@
 void ThemeService::OnInfobarDisplayed() {
   number_of_infobars_++;
 }
 
 void ThemeService::OnInfobarDestroyed() {
   number_of_infobars_--;
 
   if (number_of_infobars_ == 0)
     RemoveUnusedThemes();
 }