DevTools: Add a link to JS CPU profiler migration notes.

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 ee00e525dfeeecbcde45bfee38862a59910791d2..37aeb47220b9ff52645f1efaffdb304584b6ace5 100644
--- a/third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js
+++ b/third_party/WebKit/Source/devtools/front_end/timeline/TimelinePanel.js
@@ -645,6 +645,10 @@ Timeline.TimelinePanel = class extends UI.Panel {
     var learnMoreNode = UI.createExternalLink(
         'https://developers.google.com/web/tools/chrome-devtools/evaluate-performance/',
         Common.UIString('Learn\xa0more'));
+    var learnMoreMigrationNode = UI.createExternalLink(
+        'https://developers.google.com/web/updates/2016/12/devtools-javascript-cpu-profile-migration',
+        Common.UIString('Learn\xa0more'));
+
     var recordKey =
         encloseWithTag('b', UI.shortcutRegistry.shortcutDescriptorsForAction('timeline.toggle-recording')[0].name);
     var reloadKey = encloseWithTag('b', UI.shortcutRegistry.shortcutDescriptorsForAction('main.reload')[0].name);
@@ -659,12 +663,12 @@ Timeline.TimelinePanel = class extends UI.Panel {
 
     centered.createChild('p').appendChild(UI.formatLocalized(
         'Click the record button %s or hit %s to capture a new recording.\n' +
-            'Click the reload button %s or hit %s to record and evaluate the page load.',
+        'Click the reload button %s or hit %s to record and evaluate the page load.',
         [recordButton, recordKey, reloadButton, reloadKey]));
 
     centered.createChild('p').appendChild(UI.formatLocalized(
         'After recording, select an area of interest in the overview by dragging.\n' +
-            'Then, zoom and pan the timeline with the mousewheel or %s keys.\n%s',
+        'Then, zoom and pan the timeline with the mousewheel or %s keys.\n%s',
         [navigateNode, learnMoreNode]));
 
     var cpuProfilerHintSetting = Common.settings.createSetting('timelineShowProfilerHint', true);
@@ -677,10 +681,10 @@ Timeline.TimelinePanel = class extends UI.Panel {
       }, false);
       var performanceSpan = encloseWithTag('b', Common.UIString('Performance'));
       warning.createChild('div').appendChild(UI.formatLocalized(
-          'The %s panel provides the combined functionality of Timeline and CPU profiler.%s' +
-              'The JavaScript CPU profiler will be removed shortly. Meanwhile, it\'s available under ' +
-              '%s \u2192 More Tools \u2192 JavaScript Profiler.',
-          [performanceSpan, createElement('p'), UI.Icon.create('largeicon-menu')]));
+          `The %s panel provides the combined functionality of Timeline and JavaScript CPU profiler. %s%s` +
+          `The JavaScript CPU profiler will be removed shortly. Meanwhile, it's available under ` +
+          `%s \u2192 More Tools \u2192 JavaScript Profiler.`,
+          [performanceSpan, learnMoreMigrationNode, createElement('p'), UI.Icon.create('largeicon-menu')]));
     }
 
     this._landingPage.show(this._statusPaneContainer);