Introduce WindowStateDelegate::ToggleFullscreen

ash/accelerators/accelerator_commands_unittest.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/test/ash_test_base.h"
 #include "ash/wm/window_state.h"
 #include "ui/aura/window.h"
 
+// Note: The unit tests for |ToggleMaximized()| and
+// |ToggleFullscreen()| are in
+// chrome/browser/ui/ash/accelerator_commands_browsertests.cc.
+// because they depends on chrome implementation of
+// |ash::wm::WindowStateDelegate|.
+
 namespace ash {
 namespace accelerators {
 
 typedef test::AshTestBase AcceleratorCommandsTest;
 
 TEST_F(AcceleratorCommandsTest, ToggleMinimized) {
   scoped_ptr<aura::Window> window(
       CreateTestWindowInShellWithBounds(gfx::Rect(5, 5, 20, 20)));
   wm::WindowState* window_state = wm::GetWindowState(window.get());
   window_state->Activate();
 
   ToggleMinimized();
   EXPECT_TRUE(window_state->IsMinimized());
   EXPECT_FALSE(window_state->IsNormalShowState());
 
   ToggleMinimized();
   EXPECT_FALSE(window_state->IsMinimized());
   EXPECT_TRUE(window_state->IsNormalShowState());
 }
 
 }  // namespace accelerators
 }  // namespace ash