Converted IncognitoForced boolean policy into IncognitoModeAvailability enum policy.

chrome/browser/extensions/extension_tabs_apitest.cc

 // Copyright (c) 2011 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/extensions/extension_apitest.h"
 
+#include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/common/pref_names.h"
 #include "net/base/mock_host_resolver.h"
 
 // Possible race in ChromeURLDataManager. http://crbug.com/59198
 #if defined(OS_MACOSX) || defined(OS_LINUX)
 #define MAYBE_TabOnRemoved DISABLED_TabOnRemoved
@@ skipping 176 matching lines @@
   gfx::NativeWindow window = browser()->window()->GetNativeHandle();
   ::SendMessage(window, WM_SYSCOMMAND, SC_MAXIMIZE, 0);
   ASSERT_TRUE(RunExtensionTest("window_update/focus")) << message_;
   ASSERT_TRUE(::IsZoomed(window));
 }
 #endif  // OS_WIN
 
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, IncognitoDisabledByPref) {
   ASSERT_TRUE(StartTestServer());
 
-  browser()->profile()->GetPrefs()->SetBoolean(prefs::kIncognitoEnabled, false);
+  IncognitoModePrefs::SetAvailability(browser()->profile()->GetPrefs(),
+                                      IncognitoModePrefs::DISABLED);
 
   // This makes sure that creating an incognito window fails due to pref
   // (policy) being set.
   ASSERT_TRUE(RunExtensionTest("tabs/incognito_disabled")) << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_GetViewsOfCreatedPopup) {
   ASSERT_TRUE(StartTestServer());
   ASSERT_TRUE(RunExtensionSubtest("tabs/basics", "get_views_popup.html"))
       << message_;
 }
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, MAYBE_GetViewsOfCreatedWindow) {
   ASSERT_TRUE(StartTestServer());
   ASSERT_TRUE(RunExtensionSubtest("tabs/basics", "get_views_window.html"))
       << message_;
 }