cros: Turn immersive fullscreen on by default

chrome/browser/ui/ash/chrome_shell_delegate_browsertest.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 "chrome/browser/ui/ash/chrome_shell_delegate.h"
 
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_finder.h"
+#include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
 #include "chrome/test/base/in_process_browser_test.h"
 
 typedef InProcessBrowserTest ChromeShellDelegateBrowserTest;
 
 // Confirm that toggling window miximized works properly
 IN_PROC_BROWSER_TEST_F(ChromeShellDelegateBrowserTest, ToggleMaximized) {
   ash::ShellDelegate* shell_delegate = ash::Shell::GetInstance()->delegate();
   ASSERT_TRUE(shell_delegate);
   aura::Window* window = ash::wm::GetActiveWindow();
   ASSERT_TRUE(window);
 
-  if (ChromeShellDelegate::UseImmersiveFullscreen()) {
+  if (chrome::UseImmersiveFullscreen()) {
     // "ToggleMaximized" toggles immersive fullscreen.
     EXPECT_FALSE(ash::wm::IsWindowMaximized(window));
     EXPECT_FALSE(ash::wm::IsWindowFullscreen(window));
     shell_delegate->ToggleMaximized();
     EXPECT_TRUE(ash::wm::IsWindowFullscreen(window));
     shell_delegate->ToggleMaximized();
     EXPECT_FALSE(ash::wm::IsWindowFullscreen(window));
     return;
   }
 
@@ skipping 10 matching lines @@
   ASSERT_TRUE(browser);
   chrome::ToggleFullscreenMode(browser);
   EXPECT_TRUE(ash::wm::IsWindowFullscreen(window));
   shell_delegate->ToggleMaximized();
   EXPECT_FALSE(ash::wm::IsWindowFullscreen(window));
   EXPECT_FALSE(ash::wm::IsWindowMaximized(window));
   shell_delegate->ToggleMaximized();
   EXPECT_FALSE(ash::wm::IsWindowFullscreen(window));
   EXPECT_TRUE(ash::wm::IsWindowMaximized(window));
 }