Add option to install an ephemeral app to ChromeOS shelf context menu

chrome/browser/ui/ash/launcher/chrome_launcher_controller.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 CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 161 matching lines @@
   // Returns true if the item identified by |id| is pinned.
   bool IsPinned(ash::ShelfID id);
 
   // Pins/unpins the specified id.
   void TogglePinned(ash::ShelfID id);
 
   // Returns true if the specified item can be pinned or unpinned. Only apps can
   // be pinned.
   bool IsPinnable(ash::ShelfID id) const;
 
+  // Installs the specified id. Only valid if the id corresponds to an ephemeral
+  // app.
+  void Install(ash::ShelfID id);
+
+  // Returns true if the specified item can be installed. Only true for
+  // ephemeral apps.
+  bool CanInstall(ash::ShelfID id);
+
   // If there is no shelf item in the shelf for application |app_id|, one
   // gets created. The (existing or created) shelf items get then locked
   // against a users un-pinning removal.
   void LockV1AppWithID(const std::string& app_id);
 
   // A previously locked shelf item of type |app_id| gets unlocked. If the
   // lock count reaches 0 and the item is not pinned it will go away.
   void UnlockV1AppWithID(const std::string& app_id);
 
   // Requests that the shelf item controller specified by |id| open a new
@@ skipping 390 matching lines @@
   // The list of running & un-pinned applications for different users on hidden
   // desktops.
   typedef std::vector<std::string> RunningAppListIds;
   typedef std::map<std::string, RunningAppListIds> RunningAppListIdMap;
   RunningAppListIdMap last_used_running_application_order_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_H_