Introduce incognito preference settings.

chrome/browser/profiles/profile_impl.h

Index: chrome/browser/profiles/profile_impl.h
diff --git a/chrome/browser/profiles/profile_impl.h b/chrome/browser/profiles/profile_impl.h
index ce29d280cf97538d1ebbc3e4c02b7a0a541c61b9..cc0dbe84f2d5f14fc19b5322de65a22aa1f0d4b1 100644
--- a/chrome/browser/profiles/profile_impl.h
+++ b/chrome/browser/profiles/profile_impl.h
@@ -20,6 +20,7 @@
 
 class BackgroundModeManager;
 class ExtensionPrefs;
+class ExtensionPrefValueMap;
 class PrefService;
 
 #if defined(OS_CHROMEOS)
@@ -181,6 +182,7 @@ class ProfileImpl : public Profile,
   // Keep extension_prefs_ on top of extensions_service_ because the latter
   // maintains a pointer to the first and shall be destructed first.
   scoped_ptr<ExtensionPrefs> extension_prefs_;
+  scoped_ptr<ExtensionPrefValueMap> extension_pref_value_map_;

[Mattias Nissler (ping if slow), 2011/01/07 10:12:58]

Don't you need to put this before the |prefs_| declaration to guarantee
destruction order?

[battre, 2011/01/10 16:55:47]

Done.

   scoped_refptr<ExtensionService> extensions_service_;
   scoped_refptr<UserScriptMaster> user_script_master_;
   scoped_refptr<ExtensionDevToolsManager> extension_devtools_manager_;