Various minor extension fixes

chrome/browser/extensions/extensions_service.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSIONS_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSIONS_SERVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 15 matching lines @@
 class DictionaryValue;
 class Extension;
 class ExtensionsServiceBackend;
 class GURL;
 class MessageLoop;
 class PrefService;
 class Profile;
 class ResourceDispatcherHost;
 class SkBitmap;
 class SiteInstance;
-class UserScriptMaster;
 
 typedef std::vector<Extension*> ExtensionList;
 
 // A callback for when installs finish. If the Extension* parameter is
 // null then the install failed.
 typedef Callback2<const FilePath&, Extension*>::Type ExtensionInstallCallback;
 
 // This is an interface class to encapsulate the dependencies that
 // ExtensionUpdater has on ExtensionsService. This allows easy mocking.
 class ExtensionUpdateService {
@@ skipping 419 matching lines @@
 
   // A map of all external extension providers.
   typedef std::map<Extension::Location,
                    linked_ptr<ExternalExtensionProvider> > ProviderMap;
   ProviderMap external_extension_providers_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionsServiceBackend);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSIONS_SERVICE_H_