[Cleanup] Rename WindowSettings to WindowState

ash/accelerators/accelerator_commands.cc

 // Copyright 2013 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/accelerators/accelerator_commands.h"
 
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/wm/window_cycle_controller.h"
+#include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
 
 namespace ash {
 namespace accelerators {
 
 bool ToggleMinimized() {
   aura::Window* window = wm::GetActiveWindow();
   // Attempt to restore the window that would be cycled through next from
   // the launcher when there is no active window.
   if (!window) {
     ash::Shell::GetInstance()->window_cycle_controller()->
         HandleCycleWindow(WindowCycleController::FORWARD, false);
     return true;
   }
+  wm::WindowState* window_state = wm::GetWindowState(window);
   // Disable the shortcut for minimizing full screen window due to
   // crbug.com/131709, which is a crashing issue related to minimizing
   // full screen pepper window.
-  if (wm::IsWindowFullscreen(window) || !wm::CanMinimizeWindow(window))
+  if (window_state->IsFullscreen() || !window_state->CanMinimize())
     return false;
   ash::Shell::GetInstance()->delegate()->RecordUserMetricsAction(
       ash::UMA_MINIMIZE_PER_KEY);
-  wm::MinimizeWindow(window);
+  window_state->Minimize();
   return true;
 }
 
 }  // namespace accelerators
 }  // namespace ash