Add policy for ash launcher auto-hide behavior

chrome/browser/ui/ash/launcher/chrome_launcher_controller.h

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h b/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
index 2171031431daa0b8723ca0e40516a82df368226e..ae326625163863b11d43035ff707584ad8373e99 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
@@ -227,8 +227,18 @@ class ChromeLauncherController
 
   Profile* profile() { return profile_; }
 
-  void SetAutoHideBehavior(ash::ShelfAutoHideBehavior behavior,
-                           aura::RootWindow* root_window);
+  // Gets the shelf auto-hide behavior on |root_window|.
+  ash::ShelfAutoHideBehavior GetShelfAutoHideBehavior(
+      aura::RootWindow* root_window) const;
+
+  // Returns |true| if the user is allowed to modify the shelf auto-hide
+  // behavior on |root_window|.
+  bool CanUserModifyShelfAutoHideBehavior(
+      aura::RootWindow* root_window) const;
+
+  // Toggles the shelf auto-hide behavior on |root_window|. Does nothing if the
+  // user is not allowed to modify the auto-hide behavior.
+  void ToggleShelfAutoHideBehavior(aura::RootWindow* root_window);
 
   // The tab no longer represents its previously identified application.
   void RemoveTabFromRunningApp(TabContents* tab, const std::string& app_id);
@@ -311,6 +321,9 @@ class ChromeLauncherController
   // Re-syncs launcher model with prefs::kPinnedLauncherApps.
   void UpdateAppLaunchersFromPref();
 
+  void SetShelfAutoHideBehaviorPrefs(ash::ShelfAutoHideBehavior behavior,
+                                     aura::RootWindow* root_window);
+
   // Sets the shelf auto-hide behavior from prefs.
   void SetShelfAutoHideBehaviorFromPrefs();