Remove dependency of PrefSyncableService on PrefsTabHelper.

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 9ee9a804212c0e234fb56b3e86f53960d37a069e..1b822d268231659f1a11ac3126ff393e926c68b5 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -69,6 +69,7 @@
 #include "chrome/browser/signin/signin_ui_util.h"
 #include "chrome/browser/ssl/chrome_ssl_host_state_delegate.h"
 #include "chrome/browser/ssl/chrome_ssl_host_state_delegate_factory.h"
+#include "chrome/browser/ui/prefs/prefs_tab_helper.h"
 #include "chrome/browser/ui/startup/startup_browser_creator.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths_internal.h"
@@ -906,7 +907,8 @@ PrefService* ProfileImpl::GetOffTheRecordPrefs() {
     // The new ExtensionPrefStore is ref_counted and the new PrefService
     // stores a reference so that we do not leak memory here.
     otr_prefs_.reset(prefs_->CreateIncognitoPrefService(
-        CreateExtensionPrefStore(this, true)));
+        CreateExtensionPrefStore(this, true),
+        base::Bind(&PrefsTabHelper::InitIncognitoUserPrefStore)));
   }
   return otr_prefs_.get();
 }