Extensions: Split extensions utility IPC messages into its own file.

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_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 359 matching lines @@
   }
 
   Profile* profile() { return profile_; }
 
   void set_extension_sync_service(
       ExtensionSyncService* extension_sync_service) {
     extension_sync_service_ = extension_sync_service;
   }
 
   // Note that this may return NULL if autoupdate is not turned on.
+#if defined(ENABLE_EXTENSIONS)
   extensions::ExtensionUpdater* updater() { return updater_.get(); }
+#else
+  extensions::ExtensionUpdater* updater() { return NULL; }
+#endif
 
   extensions::ComponentLoader* component_loader() {
     return component_loader_.get();
   }
 
   bool browser_terminating() const { return browser_terminating_; }
 
   extensions::SharedModuleService* shared_module_service() {
     return shared_module_service_.get();
   }
@@ skipping 204 matching lines @@
   // Whether to notify users when they attempt to install an extension.
   bool show_extensions_prompts_;
 
   // Whether to delay installing of extension updates until the extension is
   // idle.
   bool install_updates_when_idle_;
 
   // Signaled when all extensions are loaded.
   extensions::OneShotEvent* const ready_;
 
+#if defined(ENABLE_EXTENSIONS)
   // Our extension updater, if updates are turned on.
   scoped_ptr<extensions::ExtensionUpdater> updater_;
+#endif
 
   // Map unloaded extensions' ids to their paths. When a temporarily loaded
   // extension is unloaded, we lose the information about it and don't have
   // any in the extension preferences file.
   typedef std::map<std::string, base::FilePath> UnloadedExtensionPathMap;
   UnloadedExtensionPathMap unloaded_extension_paths_;
 
   // Map of DevToolsAgentHost instances that are detached,
   // waiting for an extension to be reloaded.
   typedef std::map<std::string, scoped_refptr<content::DevToolsAgentHost> >
@@ skipping 86 matching lines @@
                            GreylistedExtensionDisabled);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            GreylistDontEnableManuallyDisabled);
   FRIEND_TEST_ALL_PREFIXES(ExtensionServiceTest,
                            GreylistUnknownDontChange);
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SERVICE_H_