Adds shift and capslock tests to IME Keyboard tests.

chrome/test/data/chromeos/virtual_keyboard/inputview/keyset_transition_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.
+ */
+
+function testShiftHighlight() {
+  // Start in lower case.
+  mockTouchType('l');
+  var shift = getShiftKey(Alignment.LEFT);
+  generateTouchEvent(shift, 'touchstart', true, true);
+  generateTouchEvent(shift, 'touchend', true, true);
+  // Transitioned to upper case.
+  mockTouchType('A');
+  // Should revert to lower case.
+  mockTouchType('p');
+  // Should remain in lower case.
+  mockTouchType('c');
+}
+
+function testCapslock() {
+  // Start in lower case.
+  mockTouchType('l');
+  // To upper case. TODO(rsadam@): Only test this for the full layout.

[bshe, 2014/04/28 19:40:11]

nit: move to TODO to next line

+  var caps = document.querySelector('#' + CAPSLOCK_ID);
+  generateTouchEvent(caps, 'touchstart', true, true);
+  generateTouchEvent(caps, 'touchend', true, true);
+  mockTouchType('A');
+  // Should persist upper case.
+  mockTouchType('P');
+  mockTouchType('C');
+  // Back to lower case.
+  generateTouchEvent(caps, 'touchstart', true, true);
+  generateTouchEvent(caps, 'touchend', true, true);
+  mockTouchType('p');
+  // Persist lower case.
+  mockTouchType('c')
+  mockTouchType('d')
+
+  // Same test, but using mouse events.
+  // Start in lower case.
+  mockMouseType('l');
+  // To upper case.
+  mockMouseTypeOnKey(caps);
+  mockMouseType('A');
+  // Should persist upper case.
+  mockMouseType('P');
+  mockMouseType('C');
+  // Back to lower case.
+  mockMouseTypeOnKey(caps);
+  mockMouseType('p');
+  // Persist lower case.
+  mockMouseType('c')
+  mockMouseType('d')
+}