DevTools: show target's selector for old timeline

Source/devtools/front_end/timeline/TimelinePanel.js

Index: Source/devtools/front_end/timeline/TimelinePanel.js
diff --git a/Source/devtools/front_end/timeline/TimelinePanel.js b/Source/devtools/front_end/timeline/TimelinePanel.js
index 1fbcbede96a852f1d94e568c0e4d3f17bf74705e..f2c242f0c2a0bc6ae050e58c2f654d6d5d9fc811 100644
--- a/Source/devtools/front_end/timeline/TimelinePanel.js
+++ b/Source/devtools/front_end/timeline/TimelinePanel.js
@@ -393,6 +393,11 @@ WebInspector.TimelinePanel.prototype = {
         this._filtersContainer.appendChild(this._filterBar.filtersElement());
         this._filterBar.addEventListener(WebInspector.FilterBar.Events.FiltersToggled, this._onFiltersToggled, this);
         this._filterBar.setName("timelinePanel");
+        if (!WebInspector.experimentsSettings.timelineOnTraceEvents.isEnabled()) {
+            var targetsComboBox = new WebInspector.StatusBarComboBox(null);
+            panelStatusBarElement.appendChild(targetsComboBox.element);
+            new WebInspector.TargetsComboBoxController(targetsComboBox.selectElement(), targetsComboBox.element);
+        }
     },
 
     /**