DevTools: do not subscribe to global object events from the widgets that are not necessarily dispos…

third_party/WebKit/Source/devtools/front_end/sources/OpenResourceDialog.js

 /*
  * Copyright (c) 2012 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
  */
 Sources.OpenResourceDialog = class extends Sources.FilteredUISourceCodeListDelegate {
   /**
    * @param {!Sources.SourcesView} sourcesView
    * @param {!Map.<!Workspace.UISourceCode, number>} defaultScores
    * @param {!Array<string>} history
    */
   constructor(sourcesView, defaultScores, history) {
     super(defaultScores, history);
     this._sourcesView = sourcesView;
     this.populate();
   }
 
   /**
    * @param {!Sources.SourcesView} sourcesView
    * @param {string} query
    * @param {!Map.<!Workspace.UISourceCode, number>} defaultScores
    * @param {!Array<string>} history
    */
   static show(sourcesView, query, defaultScores, history) {
     var dialog = new Sources.OpenResourceDialog(sourcesView, defaultScores, history);
-    Sources.OpenResourceDialog._instanceForTest = dialog;
+    if (InspectorFrontendHost.isUnderTest())
+      Sources.OpenResourceDialog._instanceForTest = dialog;
     var filteredItemSelectionDialog = new UI.FilteredListWidget(dialog);
     filteredItemSelectionDialog.showAsDialog();
     filteredItemSelectionDialog.setQuery(query);
   }
 
   /**
    * @override
    * @param {?Workspace.UISourceCode} uiSourceCode
    * @param {number=} lineNumber
    * @param {number=} columnNumber
@@ skipping 81 matching lines @@
   }
 
   /**
    * @override
    * @return {boolean}
    */
   renderAsTwoRows() {
     return true;
   }
 };