DevTools: Roll Lighthouse binary to 2.0.1-alpha.0

third_party/WebKit/Source/devtools/front_end/audits2/lighthouse/renderer/util.js

 /**
  * Copyright 2017 Google Inc. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 'use strict';
 
 /* globals self URL */
 
 const ELLIPSIS = '\u2026';
+const NBSP = '\xa0';
 
 const RATINGS = {
   PASS: {label: 'pass', minScore: 75},
   AVERAGE: {label: 'average', minScore: 45},
   FAIL: {label: 'fail'}
 };
 
 class Util {
   /**
    * Convert a score to a rating label.
@@ skipping 22 matching lines @@
   /**
    * @param {number} size
    * @param {number=} decimalPlaces Number of decimal places to include. Defaults to 2.
    * @return {string}
    */
   static formateBytesToKB(size, decimalPlaces = 2) {
     return (size / 1024).toLocaleString(undefined, {maximumFractionDigits: decimalPlaces});
   }
 
   /**
+   * @param {number} ms
+   * @param {number=} granularity Controls how coarse the displayed value is, defaults to 10
+   * @return {string}
+   */
+  static formatMilliseconds(ms, granularity = 10) {
+    const coarseTime = Math.round(ms / granularity) * granularity;
+    return `${coarseTime.toLocaleString()}${NBSP}ms`;
+  }
+
+  /**
    * Format time.
    * @param {string} date
    * @return {string}
    */
   static formatDateTime(date) {
     const options = {
       month: 'short', day: 'numeric', year: 'numeric',
       hour: 'numeric', minute: 'numeric', timeZoneName: 'short'
     };
     let formatter = new Intl.DateTimeFormat('en-US', options);
@@ skipping 86 matching lines @@
   static chainDuration(startTime, endTime) {
     return Util.formatNumber((endTime - startTime) * 1000);
   }
 }
 
 if (typeof module !== 'undefined' && module.exports) {
   module.exports = Util;
 } else {
   self.Util = Util;
 }