Move GcmApi test cases into separate subdir in order to use RunExtensionTest

chrome/test/data/extensions/api_test/gcm/functions/register.js

Index: chrome/test/data/extensions/api_test/gcm/functions/register.js
diff --git a/chrome/test/data/extensions/api_test/gcm/functions/register.js b/chrome/test/data/extensions/api_test/gcm/functions/register.js
deleted file mode 100644
index 58ecf15b28191897a64a8836a96b7333f463733b..0000000000000000000000000000000000000000
--- a/chrome/test/data/extensions/api_test/gcm/functions/register.js
+++ /dev/null
@@ -1,8 +0,0 @@
-// Copyright 2013 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.
-
-onload = function() {
-  senderIds = ["Sender1", "Sender2"];
-  chrome.gcm.register(senderIds, function(registrationId) {});
-};