Add policy for fullscreen mode; disallow fullscreen in public sessions

chrome/browser/ui/browser_command_controller.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_BROWSER_COMMAND_CONTROLLER_H_
 #define CHROME_BROWSER_UI_BROWSER_COMMAND_CONTROLLER_H_
 
 #include <vector>
 
 #include "base/prefs/pref_change_registrar.h"
@@ skipping 61 matching lines @@
 
   // Update commands whose state depends on incognito mode availability and that
   // only depend on the profile.
   static void UpdateSharedCommandsForIncognitoAvailability(
       CommandUpdater* command_updater,
       Profile* profile);
 
  private:
   class InterstitialObserver;
 
-  enum FullScreenMode {
-    // Not in fullscreen mode.
-    FULLSCREEN_DISABLED,
-
-    // Fullscreen mode, occupying the whole screen.
-    FULLSCREEN_NORMAL,
-
-    // Fullscreen mode for metro snap, occupying the full height and 20% of
-    // the screen width.
-    FULLSCREEN_METRO_SNAP,
-  };
-
   // Overridden from CommandUpdaterDelegate:
   virtual void ExecuteCommandWithDisposition(
       int id,
       WindowOpenDisposition disposition) OVERRIDE;
 
   // Overridden from ProfileInfoCacheObserver:
   virtual void OnProfileAdded(const base::FilePath& profile_path) OVERRIDE;
   virtual void OnProfileWasRemoved(const base::FilePath& profile_path,
                                    const string16& profile_name) OVERRIDE;
 
@@ skipping 40 matching lines @@
 
   // Updates commands that affect the bookmark bar.
   void UpdateCommandsForBookmarkBar();
 
   // Updates commands that affect file selection dialogs in aggregate,
   // namely the save-page-as state and the open-file state.
   void UpdateCommandsForFileSelectionDialogs();
 
   // Update commands whose state depends on the type of fullscreen mode the
   // window is in.
-  void UpdateCommandsForFullscreenMode(FullScreenMode fullscreen_mode);
+  void UpdateCommandsForFullscreenMode();
 
   // Update commands whose state depends on whether multiple profiles are
   // allowed.
   void UpdateCommandsForMultipleProfiles();
 
   // Updates the printing command state.
   void UpdatePrintingState();
 
   // Updates the SHOW_SYNC_SETUP menu entry.
   void OnSigninAllowedPrefChange();
@@ skipping 41 matching lines @@
   PrefChangeRegistrar profile_pref_registrar_;
   PrefChangeRegistrar local_pref_registrar_;
   BooleanPrefMember pref_signin_allowed_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserCommandController);
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_BROWSER_COMMAND_CONTROLLER_H_