Converted IncognitoForced boolean policy into IncognitoModeAvailability enum policy.

chrome/browser/extensions/extension_tabs_module.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_tabs_module.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/base64.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tabs_module_constants.h"
 #include "chrome/browser/net/url_fixer_upper.h"
+#include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/restore_tab_helper.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/translate/translate_tab_helper.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/window_sizer.h"
@@ skipping 488 matching lines @@
       EXTENSION_FUNCTION_VALIDATE(args->GetInteger(keys::kHeightKey,
                                                    &bounds_val));
       window_bounds.set_height(bounds_val);
       popup_bounds.set_height(bounds_val);
     }
 
     bool incognito = false;
     if (args->HasKey(keys::kIncognitoKey)) {
       EXTENSION_FUNCTION_VALIDATE(args->GetBoolean(keys::kIncognitoKey,
                                                    &incognito));
-      if (!profile_->GetPrefs()->GetBoolean(prefs::kIncognitoEnabled)) {
+      if (IncognitoModePrefs::GetAvailability(profile_->GetPrefs()) ==
+          IncognitoModePrefs::DISABLED) {
         error_ = keys::kIncognitoModeIsDisabled;
         return false;
       }
 
       if (incognito)
         window_profile = window_profile->GetOffTheRecordProfile();
     }
 
     if (args->HasKey(keys::kFocusedKey))
       EXTENSION_FUNCTION_VALIDATE(args->GetBoolean(keys::kFocusedKey,
@@ skipping 833 matching lines @@
   // called for every API call the extension made.
   GotLanguage(language);
 }
 
 void DetectTabLanguageFunction::GotLanguage(const std::string& language) {
   result_.reset(Value::CreateStringValue(language.c_str()));
   SendResponse(true);
 
   Release();  // Balanced in Run()
 }