Refactor: remove a Chromevox abstract class.

chrome/browser/resources/chromeos/chromevox/testing/test_msgs.js

+// 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.
+
+
+/**
+ * @fileoverview Testing stub for messages.
+ */
+
+goog.provide('cvox.TestMsgs');
+
+goog.require('cvox.Msgs');
+goog.require('cvox.TestMessages');
+
+
+/**
+ * @constructor
+ * @extends {cvox.Msgs}
+ */
+cvox.TestMsgs = function() {
+  cvox.Msgs.call(this);
+};
+goog.inherits(cvox.TestMsgs, cvox.Msgs);
+
+
+/**
+ * @override
+ */
+cvox.TestMsgs.prototype.getLocale = function() {
+  return 'testing';
+};
+
+
+/**
+ * @override
+ */
+cvox.TestMsgs.prototype.getMsg = function(messageId, opt_subs) {
+  if (!messageId) {
+    throw Error('Message id required');
+  }
+  var message = cvox.TestMessages[('chromevox_' + messageId).toUpperCase()];
+  if (message == undefined) {
+    throw Error('missing-msg: ' + messageId);
+  }
+
+  var messageString = message.message;
+  if (opt_subs) {
+    // Unshift a null to make opt_subs and message.placeholders line up.
+    for (var i = 0; i < opt_subs.length; i++) {
+      messageString = messageString.replace('$' + (i + 1), opt_subs[i]);
+    }
+  }
+  return messageString;
+};