Add load-app flag support to chrome

apps/app_load_service.h

 // Copyright 2013 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 APPS_APP_LOAD_SERVICE_H_
 #define APPS_APP_LOAD_SERVICE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 43 matching lines @@
   void RestartApplicationIfRunning(const std::string& extension_id);
 
   // Loads (or reloads) the app with |extension_path|, then launches it. Any
   // command line parameters from |command_line| will be passed along via
   // launch parameters. Returns true if loading the extension has begun
   // successfully.
   bool LoadAndLaunch(const base::FilePath& extension_path,
                      const base::CommandLine& command_line,
                      const base::FilePath& current_dir);
 
+  // Loads (or reloads) the app with |extension_path|. Returns true if loading
+  // the extension has begun successfully.
+  bool Load(const base::FilePath& extension_path);
+
   static AppLoadService* Get(Profile* profile);
 
  private:
   // content::NotificationObserver.
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   // extensions::ExtensionRegistryObserver.
   void OnExtensionUnloaded(
@@ skipping 11 matching lines @@
   std::map<std::string, PostReloadAction> post_reload_actions_;
   content::NotificationRegistrar registrar_;
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(AppLoadService);
 };
 
 }  // namespace apps
 
 #endif  // APPS_APP_LOAD_SERVICE_H_