DevTools: temporarily revert Timeline->Performance rename.

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

Index: third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js b/third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js
index 036bdaeef94a8196f7fb03e19b3f56fcd9c189ec..701e1b9ea2173bfc206a607a3c0acbdd642fb4cb 100644
--- a/third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js
+++ b/third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js
@@ -680,34 +680,20 @@ Timeline.TimelinePanel = class extends UI.Panel {
     var centered = this._landingPage.contentElement.createChild('div');
 
     var p = centered.createChild('p');
-    p.createTextChild(Common.UIString(
-        'The Performance panel lets you record what the browser does during page load and user interaction. ' +
-        'The timeline it generates can help you determine why certain parts of your page are slow.'));
-
-    p = centered.createChild('p');
     p.appendChild(UI.formatLocalized(
         'To capture a new recording, click the record toolbar button or hit %s. ' +
-        'To evaluate page load performance, hit %s to record the reload.',
+            'To evaluate page load performance, hit %s to record the reload.',
         [recordNode, reloadNode]));
 
     p = centered.createChild('p');
     p.appendChild(UI.formatLocalized(
         'After recording, select an area of interest in the overview by dragging. ' +
-        'Then, zoom and pan the timeline with the mousewheel or %s keys.',
+            'Then, zoom and pan the timeline with the mousewheel or %s keys.',
         [navigateNode]));
 
     p = centered.createChild('p');
     p.appendChild(learnMoreNode);
 
-    var timelineSpan = encloseWithTag('b', Common.UIString('Timeline'));
-    var performanceSpan = encloseWithTag('b', Common.UIString('Performance'));
-
-    p = centered.createChild('p', 'timeline-landing-warning');
-    p.appendChild(UI.formatLocalized(
-        'The %s panel has been enriched with the JavaScript profiler capabilities and is now called %s.%s' +
-        'You can find the legacy JavaScript CPU profiler under %s%s \u2192 More Tools \u2192 JavaScript Profiler.',
-        [timelineSpan, performanceSpan, createElement('p'), createElement('br'), UI.Icon.create('largeicon-menu')]));
-
     this._landingPage.show(this._statusPaneContainer);
   }