Have media content and chrome browser tests load data from media/test/data

media/test/data/eme_player_js/fps_observer.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.
 
 // FPSObserver observes a <video> and reports decoded FPS, dropped FPS, and
 // total dropped frames during the video playback.
 var FPSObserver = new function() {
   this.video_ = null;
   this.decodedFrames_ = 0;
   this.droppedFrames_ = 0;
@@ skipping 47 matching lines @@
   this.droppedFrames_ = this.video_.webkitDroppedFrameCount;
   fps = fps.toFixed(2);
   droppedFPSElement.innerHTML = fps;
 
   droppedFramesElement.innerHTML = this.droppedFrames_;
 };
 
 FPSObserver.endTest = function() {
   window.clearInterval(this.intID_);
 };