DevTools: Rearrange Timeline toolbar for landing page mode

third_party/WebKit/Source/devtools/front_end/timeline/TimelineLandingPage.js

 // Copyright 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.
 
 Timeline.TimelineLandingPage = class extends UI.VBox {
   constructor() {
     super(true);
     this.registerRequiredCSS('timeline/timelineLandingPage.css');
     this.contentElement.classList.add('timeline-landing-page', 'fill');
     const perspectives = Timeline.TimelinePanel.Perspectives;
@@ skipping 18 matching lines @@
         'Select what additional details you’d like to record. ' +
         'By default, the advanced profile will collect all data of the basic profile.\u2002'));
     tab.appendDescription(learnMore());
     tab.appendOption(config.screenshots, true);
     tab.appendOption(config.javascript, true);
     tab.appendOption(config.paints, false);
     this._tabbedPane.appendTab(perspectives.Custom, Common.UIString('Advanced'), tab);
 
     this._tabbedPane.addEventListener(UI.TabbedPane.Events.TabSelected, this._tabSelected, this);
     this._tabbedPane.show(this.contentElement);
-    this._perspectiveSetting =
-        Common.settings.createSetting('timelinePerspective', Timeline.TimelinePanel.Perspectives.Load);
-    this._perspectiveSetting.addChangeListener(this._perspectiveChanged, this);
 
     /**
      * @return {!Element}
      */
     function learnMore() {
       return UI.createExternalLink(
-        'https://developers.google.com/web/tools/chrome-devtools/evaluate-performance/timeline-tool',
+        'https://developers.google.com/web/tools/chrome-devtools/evaluate-performance/',
         Common.UIString('Learn more'));
     }
   }
 
-  /**
-   * @param {!Common.Event} event
-   */
-  _tabSelected(event) {
-    if (this._perspectiveSetting.get() !== event.data.tabId)
-      this._perspectiveSetting.set(event.data.tabId);
-  }
-
-  _perspectiveChanged() {
-    this._tabbedPane.selectTab(this._perspectiveSetting.get());
+  _tabSelected() {
     const tabWidget = /** @type {!Timeline.TimelineLandingPage.PerspectiveTabWidget} */ (this._tabbedPane.visibleView);
     tabWidget.activate();
   }
 };
 
 /** @typedef {!{id: string, title: string, description: string, setting: string}} */
 Timeline.TimelineLandingPage.RecordingOption;
 
 /** @type {!Object<string, !Timeline.TimelineLandingPage.RecordingOption>} */
 Timeline.TimelineLandingPage.RecordingConfig = {
@@ skipping 66 matching lines @@
   }
 
   _record() {
     UI.actionRegistry.action('timeline.toggle-recording').execute();
   }
 
   _recordPageLoad() {
     SDK.targetManager.reloadPage();
   }
 };