Adds shift and capslock tests to IME Keyboard tests.

chrome/test/data/chromeos/virtual_keyboard/inputview/test_base.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.
  */
 
 var mockController;
 var mockTimer;
 var setComposition;
 
 var DEFAULT_CONTEXT_ID = 0;
 var LONGPRESS_DELAY = 1100;
+var CAPSLOCK_ID = "OsLeft";
 
 /**
  * Key alignments.
  * @enum {string}
  */
 var Alignment = {
   LEFT: 'left',
   RIGHT: 'right',
   CENTER: 'center'
 };
@@ skipping 161 matching lines @@
   send.addExpectation({
     contextId: DEFAULT_CONTEXT_ID,
     text: selection,
   });
   // TODO(rsadam:) Add support for touch move here once latest CRX uploaded to
   // chrome/test/data.
   generateTouchEvent(key, 'touchend', true, true)
   container = getActiveAltContainer();
   assertFalse(!!container, "Alt key container was not hidden.");
 }
+
+/**
+ * Retrieves the shift key from the current keyset.
+ * @param {Alignment} align The alignment of the shift key.
+ * @return {Object} The key.
+ */
+function getShiftKey(align) {
+  var id;
+  switch(align) {
+    case Alignment.LEFT:
+      id = 'ShiftLeft';
+      break;
+    case Alignment.RIGHT:
+      id = 'ShiftRight';
+      break;
+    default:
+      break;
+  }
+  assertTrue(!!id, "Invalid shift alignment option: " + align);
+  var shift = document.querySelector('#' + id);
+  assertTrue(!!shift, "Cannot find shift key with alignment: " + align);
+  return shift;
+}