DevTools: prep audits panel for Lighthouse roll

third_party/WebKit/Source/devtools/front_end/audits2/Audits2Panel.js

 // Copyright (c) 2016 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.
 
 /**
  * @unrestricted
  */
 Audits2.Audits2Panel = class extends UI.PanelWithSidebar {
   constructor() {
     super('audits2');
@@ skipping 137 matching lines @@
     }
 
     return Promise.resolve()
         .then(_ => this._protocolService.attach())
         .then(_ => {
           this._auditRunning = true;
           this._updateButton();
           this._updateStatus(Common.UIString('Loading\u2026'));
         })
         .then(_ => this._protocolService.startLighthouse(this._inspectedURL, categoryIDs))
-        .then(lighthouseResult =>
-          this._stopAndReattach().then(() => this._buildReportUI(lighthouseResult))
-        ).catch(err => {
+        .then(lighthouseResult => {
+          if (lighthouseResult && lighthouseResult.fatal) {
+            const error = new Error(lighthouseResult.message);
+            error.stack = lighthouseResult.stack;
+            throw error;
+          }
+
+          return this._stopAndReattach().then(() => this._buildReportUI(lighthouseResult));
+        })
+        .catch(err => {
           if (err instanceof Error)
             this._renderBugReport(err);
-         });
+        });
   }
 
   _hideDialog() {
     if (!this._dialog)
       return;
     this._dialog.hide();
 
     var emulationModel = self.singleton(Emulation.DeviceModeModel);
     emulationModel.enabledSetting().set(this._emulationEnabledBefore);
     emulationModel.deviceOutlineSetting().set(this._emulationOutlineEnabledBefore);
@@ skipping 85 matching lines @@
 
   /**
    * @param {!Error} err
    * @param {!Element} parentElem
    */
   _createBugReportLink(err, parentElem) {
     var baseURI = 'https://github.com/GoogleChrome/lighthouse/issues/new?';
     var title = encodeURI('title=DevTools Error: ' + err.message.substring(0, 60));
 
     var qsBody = '';
+    qsBody += '**Initial URL**: ' + this._inspectedURL + '\n';
+    qsBody += '**Chrome Version**: ' + navigator.userAgent.match(/Chrome\/(\S+)/)[1] + '\n';
     qsBody += '**Error Message**: ' + err.message + '\n';
     qsBody += '**Stack Trace**:\n ```' + err.stack + '```';
     var body = '&body=' + encodeURI(qsBody);
 
     var reportErrorEl = parentElem.createChild('a', 'audits2-link audits2-report-error');
     reportErrorEl.href = baseURI + title + body;
     reportErrorEl.textContent = Common.UIString('Report this bug');
     reportErrorEl.target = '_blank';
   }
 
@@ skipping 254 matching lines @@
       this._reportContainer.remove();
   }
 
   _renderReport() {
     this._resultsView.removeChildren();
     if (this._reportContainer) {
       this._resultsView.appendChild(this._reportContainer);
       return;
     }
 
-    this._reportContainer = this._resultsView.createChild('div', 'report-container lh-vars lh-root');
+    this._reportContainer = this._resultsView.createChild('div', 'report-container lh-vars lh-root lh-devtools');
 
     var dom = new DOM(/** @type {!Document} */ (this._resultsView.ownerDocument));
     var detailsRenderer = new Audits2.DetailsRenderer(dom);
     var categoryRenderer = new CategoryRenderer(dom, detailsRenderer);
     var renderer = new Audits2.Audits2Panel.ReportRenderer(dom, categoryRenderer);
 
     var templatesHTML = Runtime.cachedResources['audits2/lighthouse/templates.html'];
     var templatesDOM = new DOMParser().parseFromString(templatesHTML, 'text/html');
     if (!templatesDOM)
       return;
 
     renderer.setTemplateContext(templatesDOM);
     renderer.renderReport(this._lighthouseResult, this._reportContainer);
-
-    var performanceScoreElement = this._reportContainer.querySelector('.lh-category[id=performance] .lh-score');
-    var artifacts = this._lighthouseResult['artifacts'];
-    if (!performanceScoreElement || !artifacts)
-      return;
-    var tracePass = artifacts['traces'] ? artifacts['traces']['defaultPass'] : null;
-    if (!tracePass)
-      return;
-
-    var fmp = this._lighthouseResult['audits']['first-meaningful-paint'];
-    if (!fmp || !fmp['extendedInfo'])
-      return;
-
-    var tti = this._lighthouseResult['audits']['time-to-interactive'];
-    if (!tti || !tti['extendedInfo'])
-      return;
-
-    var navStart = fmp['extendedInfo']['value']['timestamps']['navStart'];
-    var markers = [
-      {
-        title: Common.UIString('First contentful paint'),
-        value: (fmp['extendedInfo']['value']['timestamps']['fCP'] - navStart) / 1000
-      },
-      {
-        title: Common.UIString('First meaningful paint'),
-        value: (fmp['extendedInfo']['value']['timestamps']['fMP'] - navStart) / 1000
-      },
-      {
-        title: Common.UIString('Time to interactive'),
-        value: (tti['extendedInfo']['value']['timestamps']['timeToInteractive'] - navStart) / 1000
-      },
-      {
-        title: Common.UIString('Visually ready'),
-        value: (tti['extendedInfo']['value']['timestamps']['visuallyReady'] - navStart) / 1000
-      }
-    ];
-
-    var timeSpan = Math.max(...markers.map(marker => marker.value));
-    var screenshots = tracePass.traceEvents.filter(e => e.cat === 'disabled-by-default-devtools.screenshot');
-    var timelineElement = createElementWithClass('div', 'audits2-timeline');
-    var filmStripElement = timelineElement.createChild('div', 'audits2-filmstrip');
-
-    var numberOfFrames = 8;
-    var roundToMs = 100;
-    var timeStep = (Math.ceil(timeSpan / numberOfFrames / roundToMs)) * roundToMs;
-
-    for (var time = 0; time < timeSpan; time += timeStep) {
-      var frameForTime = null;
-      for (var e of screenshots) {
-        if ((e.ts - navStart) / 1000 < time + timeStep)
-          frameForTime = e.args.snapshot;
-      }
-      var frame = filmStripElement.createChild('div', 'frame');
-      frame.createChild('div', 'time').textContent = Number.millisToString(time + timeStep);
-
-      var thumbnail = frame.createChild('div', 'thumbnail');
-      if (frameForTime) {
-        var img = thumbnail.createChild('img');
-        img.src = 'data:image/jpg;base64,' + frameForTime;
-      }
-    }
-
-    for (var marker of markers) {
-      var markerElement = timelineElement.createChild('div', 'audits2-timeline-marker');
-      markerElement.createChild('div', 'audits2-timeline-bar').style.width =
-          (100 * (marker.value / timeSpan) | 0) + '%';
-      markerElement.createChild('span').textContent = Common.UIString('%s: ', marker.title);
-      markerElement.createChild('span', 'audits2-timeline-subtitle').textContent = Number.millisToString(marker.value);
-    }
-
-    performanceScoreElement.parentElement.insertBefore(timelineElement, performanceScoreElement.nextSibling);
   }
 };
 
 Audits2.Audits2Panel.TreeSubElement = class extends UI.TreeElement {
   /**
    * @param {string} id
    * @param {string} name
    * @param {number} score
    */
   constructor(id, name, score) {
@@ skipping 66 matching lines @@
           return;
 
         var element = Components.DOMPresentationUtils.linkifyNodeReference(node, undefined, detailsItem.snippet);
         origElement.title = '';
         origElement.textContent = '';
         origElement.appendChild(element);
       });
     });
   }
 };