Add policy for ash launcher auto-hide behavior

chrome/browser/ui/ash/launcher/chrome_launcher_controller_per_browser.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_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_PER_BROWSER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_PER_BROWSER_H_
 
 #include <list>
 #include <map>
 #include <string>
@@ skipping 175 matching lines @@
 
   // Updates the pinned pref state. The pinned state consists of a list pref.
   // Each item of the list is a dictionary. The key |kAppIDPath| gives the
   // id of the app.
   virtual void PersistPinnedState() OVERRIDE;
 
   virtual ash::LauncherModel* model() OVERRIDE;
 
   virtual Profile* profile() OVERRIDE;
 
-  virtual void SetAutoHideBehavior(ash::ShelfAutoHideBehavior behavior,
-                           aura::RootWindow* root_window) OVERRIDE;
+  // Gets the shelf auto-hide behavior on |root_window|.
+  virtual ash::ShelfAutoHideBehavior GetShelfAutoHideBehavior(
+      aura::RootWindow* root_window) const OVERRIDE;
+
+  // Returns |true| if the user is allowed to modify the shelf auto-hide
+  // behavior on |root_window|.
+  virtual bool CanUserModifyShelfAutoHideBehavior(
+      aura::RootWindow* root_window) const OVERRIDE;
+
+  // Toggles the shelf auto-hide behavior on |root_window|. Does nothing if the
+  // user is not allowed to modify the auto-hide behavior.
+  virtual void ToggleShelfAutoHideBehavior(
+      aura::RootWindow* root_window) OVERRIDE;
 
   // The tab no longer represents its previously identified application.
   virtual void RemoveTabFromRunningApp(TabContents* tab,
                                        const std::string& app_id) OVERRIDE;
 
   // Notify the controller that the state of an non platform app's tabs
   // have changed,
   virtual void UpdateAppState(content::WebContents* contents,
                               AppState app_state) OVERRIDE;
 
@@ skipping 74 matching lines @@
   void LauncherItemClosed(ash::LauncherID id);
 
   // Internal helpers for pinning and unpinning that handle both
   // client-triggered and internal pinning operations.
   void DoPinAppWithID(const std::string& app_id);
   void DoUnpinAppsWithID(const std::string& app_id);
 
   // Re-syncs launcher model with prefs::kPinnedLauncherApps.
   void UpdateAppLaunchersFromPref();
 
+  // Persists the shelf auto-hide behavior to prefs.
+  void SetShelfAutoHideBehaviorPrefs(ash::ShelfAutoHideBehavior behavior,
+                                     aura::RootWindow* root_window);
+
   // Sets the shelf auto-hide behavior from prefs.
   void SetShelfAutoHideBehaviorFromPrefs();
 
   // Sets the shelf alignment from prefs.
   void SetShelfAlignmentFromPrefs();
 
   // Returns the most recently active tab contents for an app.
   TabContents* GetLastActiveTabContents(const std::string& app_id);
 
   // Creates an app launcher to insert at |index|. Note that |index| may be
@@ skipping 32 matching lines @@
   content::NotificationRegistrar notification_registrar_;
 
   PrefChangeRegistrar pref_change_registrar_;
 
   AppSyncUIState* app_sync_ui_state_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherControllerPerBrowser);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_PER_BROWSER_H_