Move the JS content handler et al from mojo/apps/js to mojo/services

services/js/modules/clock/monotonic_clock_unittests.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.
 
 define([
   "console",
   "gin/test/expect",
-  "monotonic_clock",
+  "services/js/modules/clock",
   "timer",
-  "mojo/apps/js/bindings/threading"
+  "mojo/public/js/threading"
 ], function(console, expect, monotonicClock, timer, threading) {
   var global = this;
   var then = monotonicClock.seconds();
   var t = timer.createOneShot(100, function() {
     var now = monotonicClock.seconds();
     expect(now).toBeGreaterThan(then);
     global.result = "PASS";
     threading.quit();
   });
 });