Moved ExtensionPrefs and related into extensions namespace

chrome/browser/prefs/pref_set_observer.cc

 // Copyright (c) 2012 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/prefs/pref_set_observer.h"
 
 #include "chrome/common/pref_names.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "content/public/browser/notification_types.h"
 
@@ skipping 50 matching lines @@
   // Homepage.
   pref_set->AddPref(prefs::kHomePageIsNewTabPage);
   pref_set->AddPref(prefs::kHomePage);
   pref_set->AddPref(prefs::kShowHomeButton);
   // Session startup.
   pref_set->AddPref(prefs::kRestoreOnStartup);
   pref_set->AddPref(prefs::kURLsToRestoreOnStartup);
   // Pinned tabs.
   pref_set->AddPref(prefs::kPinnedTabs);
   // Extensions.
-  pref_set->AddPref(ExtensionPrefs::kExtensionsPref);
+  pref_set->AddPref(extensions::ExtensionPrefs::kExtensionsPref);
 
   return pref_set;
 }
 
 void PrefSetObserver::Observe(int type,
                               const content::NotificationSource& source,
                               const content::NotificationDetails& details) {
   if (observer_)
     observer_->Observe(type, source, details);
 }