Add touch and basic longpress typing tests for the IME keyboard.

chrome/test/data/chromeos/virtual_keyboard/inputview/typing_test.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.
  */
 
 /**
- * Tests typing in the lowecase keyset.
+ * Tests typing in the lowercase keyset.
  */
 function testLowercaseKeyset() {
+  // Mouse events.
   mockMouseType('l');
   mockMouseType('p');
-  mockMouseType('e');
-  mockMouseType('f');
+
+  // Touch events.
+  mockTouchType('l');
+  mockTouchType('p');
 }
+
+/**
+ * Tests longpress on the keyboard.
+ */
+function testLongpress() {
+  // TODO(rsadam@): Add support for mock longpressing the non-default selection.
+  mockLongpress('e', ['e', 'E'], 'e');
+  mockLongpress('a', ['a', 'A'], 'a');
+  // TODO(rsadam@): Test cancelling longpress.
+}