WebUI TaskManager: Delay scripts loading.

chrome/browser/resources/task_manager/measure_time.js

+// 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.
+
+/**
+ * @fileoverview Utility methods for measuring loading times.
+ *
+ * To be included as a first script in main.html
+ */
+
+var measureTime = {
+  isEnabled: localStorage.measureTimeEnabled,
+
+  startInterval: function(name) {
+    if (this.isEnabled)
+      console.time(name);
+  },
+
+  recordInterval: function(name) {
+    if (this.isEnabled)
+      console.timeEnd(name);
+  },
+};
+
+measureTime.startInterval('Load.Total');
+measureTime.startInterval('Load.Script');