Converted IncognitoForced boolean policy into IncognitoModeAvailability enum policy.

chrome/browser/prefs/incognito_mode_availability_prefs_unittest.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/prefs/incognito_mode_availability_prefs.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(IncognitoModeAvailabilityPrefsTest, IntToIngocnitoModeAvailability) {
+  ASSERT_EQ(0, IncognitoModeAvailabilityPrefs::ENABLED);
+  ASSERT_EQ(1, IncognitoModeAvailabilityPrefs::DISABLED);
+  ASSERT_EQ(2, IncognitoModeAvailabilityPrefs::FORCED);
+
+  IncognitoModeAvailabilityPrefs::IncognitoModeAvailability incognito;
+  EXPECT_TRUE(IncognitoModeAvailabilityPrefs::IntToIngocnitoModeAvailability(
+      0, &incognito));
+  EXPECT_EQ(IncognitoModeAvailabilityPrefs::ENABLED, incognito);
+  EXPECT_TRUE(IncognitoModeAvailabilityPrefs::IntToIngocnitoModeAvailability(
+      1, &incognito));
+  EXPECT_EQ(IncognitoModeAvailabilityPrefs::DISABLED, incognito);
+  EXPECT_TRUE(IncognitoModeAvailabilityPrefs::IntToIngocnitoModeAvailability(
+      2, &incognito));
+  EXPECT_EQ(IncognitoModeAvailabilityPrefs::FORCED, incognito);
+
+  EXPECT_FALSE(IncognitoModeAvailabilityPrefs::IntToIngocnitoModeAvailability(
+      10, &incognito));
+  EXPECT_EQ(IncognitoModeAvailabilityPrefs::ENABLED, incognito);
+  EXPECT_FALSE(IncognitoModeAvailabilityPrefs::IntToIngocnitoModeAvailability(
+      -1, &incognito));
+  EXPECT_EQ(IncognitoModeAvailabilityPrefs::ENABLED, incognito);
+}