Introduce incognito preference settings.

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 436727bb3f21c9e372a3ae01ae88941ba20d9f94..6d133e6501330674e0449f9f7eb04784527657a6 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -658,10 +658,15 @@ net::TransportSecurityState*
 
 PrefService* ProfileImpl::GetPrefs() {
   if (!prefs_.get()) {
-    ExtensionPrefStore* extension_pref_store = new ExtensionPrefStore;
+    scoped_refptr<ExtensionPrefStore> extension_pref_store(
+        new ExtensionPrefStore);
+    scoped_refptr<ExtensionPrefStore> incognito_extension_pref_store(
+        new ExtensionPrefStore);
     prefs_.reset(PrefService::CreatePrefService(GetPrefFilePath(),
                                                 extension_pref_store,
                                                 GetOriginalProfile()));
+    incognito_prefs_.reset(
+        prefs_->CreateIncognitoPrefService(incognito_extension_pref_store));
 
     // The Profile class and ProfileManager class may read some prefs so
     // register known prefs as soon as possible.
@@ -679,10 +684,13 @@ PrefService* ProfileImpl::GetPrefs() {
 
     // Ensure that preferences set by extensions are restored in the profile
     // as early as possible. The constructor takes care of that.
+
     extension_prefs_.reset(new ExtensionPrefs(
         prefs_.get(),
+        incognito_prefs_.get(),
         GetPath().AppendASCII(ExtensionService::kInstallDirectoryName),
-        extension_pref_store));
+        extension_pref_store,
+        incognito_extension_pref_store));
 
     DCHECK(!net_pref_observer_.get());
     net_pref_observer_.reset(new NetPrefObserver(prefs_.get()));