Introduce incognito preference settings.

chrome/browser/profiles/profile.h

 // 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.
 
 // This class gathers state related to a single user profile.
 
 #ifndef CHROME_BROWSER_PROFILES_PROFILE_H_
 #define CHROME_BROWSER_PROFILES_PROFILE_H_
 #pragma once
 
@@ skipping 41 matching lines @@
 class ChromeBlobStorageContext;
 class ChromeURLRequestContextGetter;
 class CloudPrintProxyService;
 class DesktopNotificationService;
 class DownloadManager;
 class Extension;
 class ExtensionDevToolsManager;
 class ExtensionEventRouter;
 class ExtensionInfoMap;
 class ExtensionMessageService;
+class ExtensionPrefValueMap;
 class ExtensionProcessManager;
 class ExtensionService;
 class FaviconService;
 class FilePath;
 class FindBarState;
 class GeolocationContentSettingsMap;
 class GeolocationPermissionContext;
 class HistoryService;
 class HostContentSettingsMap;
 class HostZoomMap;
@@ skipping 468 matching lines @@
   }
 
   // Checks whether sync is configurable by the user. Returns false if sync is
   // disabled or controlled by configuration management.
   bool IsSyncAccessible();
 
   // Creates an OffTheRecordProfile which points to this Profile.
   Profile* CreateOffTheRecordProfile();
 
  protected:
+  friend class OffTheRecordProfileImpl;
+
   static URLRequestContextGetter* default_request_context_;
 
+  virtual ExtensionPrefValueMap* GetExtensionPrefValueMap() = 0;
+
  private:
   bool restored_last_session_;
 
   // Accessibility events will only be propagated when the pause
   // level is zero.  PauseAccessibilityEvents and ResumeAccessibilityEvents
   // increment and decrement the level, respectively, rather than set it to
   // true or false, so that calls can be nested.
   int accessibility_pause_level_;
 };
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILE_H_