diff -r 000000000000 -r 6474c204b198 mobile/android/base/LocaleManager.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/LocaleManager.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko;
+
+import java.util.Locale;
+
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+
+public interface LocaleManager {
+    void initialize(Context context);
+    String getAndApplyPersistedLocale(Context context);
+    void correctLocale(Context context, Resources resources, Configuration newConfig);
+    void updateConfiguration(Context context, Locale locale);
+    String setSelectedLocale(Context context, String localeCode);
+    boolean systemLocaleDidChange();
+}