[System-Keyboard-Lock] Forward navigator functions to RenderFrameHost

content/test/data/keyboard_lock/cancel_keylock.js

Index: content/test/data/keyboard_lock/cancel_keylock.js
diff --git a/content/test/data/keyboard_lock/cancel_keylock.js b/content/test/data/keyboard_lock/cancel_keylock.js
new file mode 100644
index 0000000000000000000000000000000000000000..8a88edff446dbf4a2fd3c5e8e43fdd6a80982f53
--- /dev/null
+++ b/content/test/data/keyboard_lock/cancel_keylock.js
@@ -0,0 +1,12 @@
+// Copyright 2017 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 test() {
+  try {
+    navigator.cancelKeyLock();
+    document.getElementById('result').innerHTML = 'Succeeded';
+  } catch (exception) {
+    document.getElementById('result').innerHTML = 'Failed: ' + exception;

[whywhat, 2017/04/11 14:52:33]

I believe you could just return the string and examine it in ExecuteScript
without using dom automation.

[Hzj_jie, 2017/04/12 02:51:05]

It looks like I can merge these tests into one file, and call the javascript
functions in test case. So I would refector these tests.

+  }
+}