Revert 113071 - Revert 113047 - Make ExtensionService use ExtensionSet.

chrome/browser/extensions/extension_process_manager.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 "base/bind.h"
 #include "base/command_line.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 
 #include "chrome/browser/ui/browser_window.h"
 #include "content/browser/browsing_instance.h"
@@ skipping 56 matching lines @@
 static void CreateBackgroundHostForExtensionLoad(
     ExtensionProcessManager* manager, const Extension* extension) {
   // Start the process for the master page, if it exists and we're not lazy.
   if (!CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableLazyBackgroundPages) &&
       extension->background_url().is_valid())
     manager->CreateBackgroundHost(extension, extension->background_url());
 }
 
 static void CreateBackgroundHostsForProfileStartup(
-    ExtensionProcessManager* manager, const ExtensionList* extensions) {
-  for (ExtensionList::const_iterator extension = extensions->begin();
+    ExtensionProcessManager* manager, const ExtensionSet* extensions) {
+  for (ExtensionSet::const_iterator extension = extensions->begin();
        extension != extensions->end(); ++extension) {
     CreateBackgroundHostForExtensionLoad(manager, *extension);
   }
 }
 
 }  // namespace
 
 //
 // ExtensionProcessManager
 //
@@ skipping 401 matching lines @@
         if (service && service->is_ready())
           CreateBackgroundHostsForProfileStartup(this, service->extensions());
       }
       break;
     }
     default:
       ExtensionProcessManager::Observe(type, source, details);
       break;
   }
 }