Refactor parts of the NTP to split things into more managable chunks....

chrome/browser/resources/shared/js/local_strings.js

+// Copyright (c) 2010 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.
+
+/**
+ * The local strings get injected into the page usig a variable named
+ * {@code templateData}. This class provides a simpler interface to access those
+ * strings.
+ * @constructor
+ */
+function LocalStrings() {
+}
+
+LocalStrings.prototype = {
+  /**
+   * The template data object.
+   * @type {Object}
+   */
+  templateData: null,
+
+  /**
+   * Gets a localized string by its id.
+   * @param {string} s The ID of the string we want.
+   * @return {string} The localized string.
+   */
+  getString: function(id) {
+    // TODO(arv): We should not rely on a global variable here.
+    return (this.templateData || window.templateData)[id] || '';
+  },
+
+  /**
+   * Returns a formatted localized string where $1 to $9 are replaced by the
+   * second to the tenth argument.
+   * @param {string} id The ID of the string we want.
+   * @param {...string} The extra values to include in the formatted output.
+   * @return {string} The formatted string.
+   */
+  getStringF: function(id, var_args) {
+    var s = this.getString(id);
+    var args = arguments;
+    return s.replace(/\$[$1-9]/g, function(m) {
+      if (m == '$$')
+        return '$';
+      return args[m[1]];
+    });
+  }
+};