Unrevert r141537: Add extensions::StateStore and use that instead of

chrome/browser/extensions/extension_service.h

 // Copyright (c) 2012 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_EXTENSION_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_
 #pragma once
 
 #include <list>
 #include <map>
@@ skipping 153 matching lines @@
   static const char* kLocalExtensionSettingsDirectoryName;
 
   // The name of the directory inside the profile where per-app synced settings
   // are stored.
   static const char* kSyncAppSettingsDirectoryName;
 
   // The name of the directory inside the profile where per-extension synced
   // settings are stored.
   static const char* kSyncExtensionSettingsDirectoryName;
 
+  // The name of the database inside the profile where chrome-internal
+  // extension state resides.
+  static const char* kStateStoreName;
+
   // Returns the Extension of hosted or packaged apps, NULL otherwise.
   const extensions::Extension* GetInstalledApp(const GURL& url);
 
   // Returns whether the URL is from either a hosted or packaged app.
   bool IsInstalledApp(const GURL& url);
 
   // Associates a renderer process with the given installed app.
   void SetInstalledAppForRenderer(int renderer_child_id,
       const extensions::Extension* app);
 
@@ skipping 663 matching lines @@
   scoped_ptr<ExtensionGlobalError> extension_global_error_;
 
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            InstallAppsWithUnlimtedStorage);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            InstallAppsAndCheckStorageProtection);
   DISALLOW_COPY_AND_ASSIGN(ExtensionService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_