Move ExtensionPrefs and friends to extensions/ directory.

chrome/browser/extensions/chrome_app_sorting.cc

 // Copyright 2013 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/extensions/chrome_app_sorting.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/extensions/extension_scoped_prefs.h"
 #include "chrome/browser/extensions/extension_sync_service.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "content/public/browser/notification_service.h"
+#include "extensions/browser/extension_scoped_prefs.h"
 #include "extensions/common/extension.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/extensions/default_app_order.h"
 #endif
 
 namespace extensions {
 
 namespace {
 
@@ skipping 587 matching lines @@
   for (AppLaunchOrdinalMap::const_iterator it = m.begin(); it != m.end();
        ++it) {
     const std::string& id = it->second;
     if (ntp_hidden_extensions_.count(id) == 0)
       result++;
   }
   return result;
 }
 
 }  // namespace extensions