mash: Remove WorkspaceLayoutManagerDelegate.

ash/shell.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.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 
@@ skipping 435 matching lines @@
 void Shell::OnShelfAlignmentChanged(WmWindow* root_window) {
   FOR_EACH_OBSERVER(ShellObserver, *wm_shell_->shell_observers(),
                     OnShelfAlignmentChanged(root_window));
 }
 
 void Shell::OnShelfAutoHideBehaviorChanged(WmWindow* root_window) {
   FOR_EACH_OBSERVER(ShellObserver, *wm_shell_->shell_observers(),
                     OnShelfAutoHideBehaviorChanged(root_window));
 }
 
-void Shell::NotifyFullscreenStateChange(bool is_fullscreen,
-                                        WmWindow* root_window) {
-  FOR_EACH_OBSERVER(ShellObserver, *wm_shell_->shell_observers(),
-                    OnFullscreenStateChanged(is_fullscreen, root_window));
-}
-
 void Shell::CreateModalBackground(aura::Window* window) {
   RootWindowControllerList controllers = GetAllRootWindowControllers();
   for (RootWindowControllerList::iterator iter = controllers.begin();
        iter != controllers.end(); ++iter)
     (*iter)->GetSystemModalLayoutManager(window)->CreateModalBackground();
 }
 
 void Shell::OnModalWindowRemoved(aura::Window* removed) {
   RootWindowControllerList controllers = GetAllRootWindowControllers();
   bool activated = false;
@@ skipping 587 matching lines @@
 std::unique_ptr<ui::EventTargetIterator> Shell::GetChildIterator() const {
   return std::unique_ptr<ui::EventTargetIterator>();
 }
 
 ui::EventTargeter* Shell::GetEventTargeter() {
   NOTREACHED();
   return nullptr;
 }
 
 }  // namespace ash