Introduce WindowStateDelegate::ToggleFullscreen

ash/shell/shell_delegate_impl.cc

 // 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.
 
 #include "ash/shell/shell_delegate_impl.h"
 
 #include "ash/accessibility_delegate.h"
 #include "ash/caps_lock_delegate_stub.h"
 #include "ash/default_accessibility_delegate.h"
 #include "ash/default_user_wallpaper_delegate.h"
@@ skipping 71 matching lines @@
 void ShellDelegateImpl::PreInit() {
 }
 
 void ShellDelegateImpl::Shutdown() {
 }
 
 void ShellDelegateImpl::Exit() {
   base::MessageLoopForUI::current()->Quit();
 }
 
-void ShellDelegateImpl::ToggleFullscreen() {
-  // TODO(oshima): Remove this when crbug.com/309837 is implemented.
-  wm::WindowState* window_state = wm::GetActiveWindowState();
-  if (window_state)
-    window_state->ToggleMaximized();
-}
-
 keyboard::KeyboardControllerProxy*
     ShellDelegateImpl::CreateKeyboardControllerProxy() {
   return new KeyboardControllerProxyStub();
 }
 
 content::BrowserContext* ShellDelegateImpl::GetCurrentBrowserContext() {
   return Shell::GetInstance()->browser_context();
 }
 
 app_list::AppListViewDelegate* ShellDelegateImpl::CreateAppListViewDelegate() {
@@ skipping 53 matching lines @@
 RootWindowHostFactory* ShellDelegateImpl::CreateRootWindowHostFactory() {
   return RootWindowHostFactory::Create();
 }
 
 base::string16 ShellDelegateImpl::GetProductName() const {
   return base::string16();
 }
 
 }  // namespace shell
 }  // namespace ash