Add a timeline view to about:net-internals.

chrome/browser/resources/net_internals/timeline_view_painter.js

Index: chrome/browser/resources/net_internals/timeline_view_painter.js
===================================================================
--- chrome/browser/resources/net_internals/timeline_view_painter.js	(revision 110334)
+++ chrome/browser/resources/net_internals/timeline_view_painter.js	(working copy)
@@ -1,21 +0,0 @@
-// Copyright (c) 2011 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.
-
-var PaintTimelineView;
-
-(function() {
-'use strict';
-
-PaintTimelineView = function(sourceEntries, node) {
-  addTextNode(node, 'TODO(eroman): Draw some sort of waterfall.');
-
-  addNode(node, 'br');
-  addNode(node, 'br');
-
-  addTextNode(node, 'Selected nodes (' + sourceEntries.length + '):');
-  addNode(node, 'br');
-
-}
-
-})();