Migrate ResourceExtractor.java inside org.chromium.base package.

base/android/java/src/org/chromium/base/LocaleUtils.java

+// Copyright 2014 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.
+
+package org.chromium.base;
+
+import java.util.Locale;
+
+/**
+ * This class provides the locale related methods.
+ */
+public class LocaleUtils {
+    /**
+     * Guards this class from being instantiated.
+     */
+    private LocaleUtils() {
+    }
+
+    /**
+     * @return the default locale, translating Android deprecated
+     * language codes into the modern ones used by Chromium.
+     */
+    public static String getDefaultLocale() {
+        Locale locale = Locale.getDefault();
+        String language = locale.getLanguage();
+        String country = locale.getCountry();
+
+        // Android uses deprecated lanuages codes for Hebrew and Indonesian but Chromium uses the
+        // updated codes. Also, Android uses "tl" while Chromium uses "fil" for Tagalog/Filipino.
+        // So apply a mapping.
+        // See http://developer.android.com/reference/java/util/Locale.html
+        if ("iw".equals(language)) {
+            language = "he";
+        } else if ("in".equals(language)) {
+            language = "id";
+        } else if ("tl".equals(language)) {
+            language = "fil";
+        }
+        return country.isEmpty() ? language : language + "-" + country;
+    }
+}