Moves Shell::maximize_mode_controller() to WmShell

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 657 matching lines @@
 
 // Destroy the virtual keyboard controller before the maximize mode controller
 // since the latters destructor triggers events that the former is listening
 // to but no longer cares about.
 #if defined(OS_CHROMEOS)
   virtual_keyboard_controller_.reset();
 #endif
 
   // Destroy maximize mode controller early on since it has some observers which
   // need to be removed.
-  maximize_mode_controller_.reset();
+  wm_shell_->DeleteMaximizeModeController();
 
   // Destroy the keyboard before closing the shelf, since it will invoke a shelf
   // layout.
   DeactivateKeyboard();
 
   // Destroy toasts
   toast_manager_.reset();
 
   // Destroy SystemTrayDelegate before destroying the status area(s). Make sure
   // to deinitialize the shelf first, as it is initialized after the delegate.
@@ skipping 226 matching lines @@
 #if defined(OS_CHROMEOS)
   resolution_notification_controller_.reset(
       new ResolutionNotificationController);
 #endif
 
   if (cursor_manager_)
     cursor_manager_->SetDisplay(
         display::Screen::GetScreen()->GetPrimaryDisplay());
 
   accelerator_controller_.reset(new AcceleratorController);
-  maximize_mode_controller_.reset(new MaximizeModeController());
+  wm_shell_->CreateMaximizeModeController();
 
   AddPreTargetHandler(window_tree_host_manager_->input_method_event_handler());
 
 #if defined(OS_CHROMEOS)
   magnifier_key_scroll_handler_ = MagnifierKeyScroller::CreateHandler();
   AddPreTargetHandler(magnifier_key_scroll_handler_.get());
   speech_feedback_handler_ = SpokenFeedbackToggler::CreateHandler();
   AddPreTargetHandler(speech_feedback_handler_.get());
 #endif
 
@@ skipping 233 matching lines @@
 
 void Shell::OnWindowActivated(
     aura::client::ActivationChangeObserver::ActivationReason reason,
     aura::Window* gained_active,
     aura::Window* lost_active) {
   if (gained_active)
     target_root_window_ = gained_active->GetRootWindow();
 }
 
 }  // namespace ash