Introduce WindowStateDelegate::ToggleFullscreen

ash/shell_delegate.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 ASH_SHELL_DELEGATE_H_
 #define ASH_SHELL_DELEGATE_H_
 
 #include <string>
 
 #include "ash/ash_export.h"
@@ skipping 116 matching lines @@
 
   // Invoked when the user uses Ctrl-Shift-Q to close chrome.
   virtual void Exit() = 0;
 
   // Invoked when the user uses Ctrl+T to open a new tab.
   virtual void NewTab() = 0;
 
   // Invoked when the user uses Ctrl-N or Ctrl-Shift-N to open a new window.
   virtual void NewWindow(bool incognito) = 0;
 
-  // Invoked when the user uses Shift+F4 to toggle the window fullscreen state.
-  virtual void ToggleFullscreen() = 0;
-
   // Invoked when an accelerator is used to open the file manager.
   virtual void OpenFileManager() = 0;
 
   // Invoked when the user opens Crosh.
   virtual void OpenCrosh() = 0;
 
   // Invoked when the user uses Shift+Ctrl+T to restore the closed tab.
   virtual void RestoreTab() = 0;
 
   // Shows the keyboard shortcut overlay.
@@ skipping 58 matching lines @@
   // value.
   virtual RootWindowHostFactory* CreateRootWindowHostFactory() = 0;
 
   // Get the product name.
   virtual base::string16 GetProductName() const = 0;
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_DELEGATE_H_