Revert of [DevTools] Remove methods on Common.Event.

third_party/WebKit/Source/devtools/front_end/resources/ServiceWorkerCacheViews.js

 // Copyright 2014 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
  */
 Resources.ServiceWorkerCacheView = class extends UI.SimpleView {
   /**
    * @param {!SDK.ServiceWorkerCacheModel} model
    * @param {!SDK.ServiceWorkerCacheModel.Cache} cache
    */
   constructor(model, cache) {
     super(Common.UIString('Cache'));
     this.registerRequiredCSS('resources/serviceWorkerCacheViews.css');
 
     this._model = model;
 
     this.element.classList.add('service-worker-cache-data-view');
     this.element.classList.add('storage-view');
 
     this._createEditorToolbar();
 
     this._refreshButton = new UI.ToolbarButton(Common.UIString('Refresh'), 'largeicon-refresh');
-    this._refreshButton.addEventListener(UI.ToolbarButton.Events.Click, this._refreshButtonClicked, this);
+    this._refreshButton.addEventListener('click', this._refreshButtonClicked, this);
 
     this._pageSize = 50;
     this._skipCount = 0;
 
     this.update(cache);
     this._entries = [];
   }
 
   /**
    * @return {!UI.DataGrid}
    */
   _createDataGrid() {
     var columns = /** @type {!Array<!UI.DataGrid.ColumnDescriptor>} */ ([
       {id: 'number', title: Common.UIString('#'), width: '50px'}, {id: 'request', title: Common.UIString('Request')},
       {id: 'response', title: Common.UIString('Response')}
     ]);
     return new UI.DataGrid(columns, undefined, this._deleteButtonClicked.bind(this), this._updateData.bind(this, true));
   }
 
   _createEditorToolbar() {
     var editorToolbar = new UI.Toolbar('data-view-toolbar', this.element);
 
     this._pageBackButton = new UI.ToolbarButton(Common.UIString('Show previous page'), 'largeicon-play-back');
-    this._pageBackButton.addEventListener(UI.ToolbarButton.Events.Click, this._pageBackButtonClicked, this);
+    this._pageBackButton.addEventListener('click', this._pageBackButtonClicked, this);
     editorToolbar.appendToolbarItem(this._pageBackButton);
 
     this._pageForwardButton = new UI.ToolbarButton(Common.UIString('Show next page'), 'largeicon-play');
     this._pageForwardButton.setEnabled(false);
-    this._pageForwardButton.addEventListener(UI.ToolbarButton.Events.Click, this._pageForwardButtonClicked, this);
+    this._pageForwardButton.addEventListener('click', this._pageForwardButtonClicked, this);
     editorToolbar.appendToolbarItem(this._pageForwardButton);
   }
 
-  /**
-   * @param {!Common.Event} event
-   */
-  _pageBackButtonClicked(event) {
+  _pageBackButtonClicked() {
     this._skipCount = Math.max(0, this._skipCount - this._pageSize);
     this._updateData(false);
   }
 
-  /**
-   * @param {!Common.Event} event
-   */
-  _pageForwardButtonClicked(event) {
+  _pageForwardButtonClicked() {
     this._skipCount = this._skipCount + this._pageSize;
     this._updateData(false);
   }
 
   /**
    * @param {!UI.DataGridNode} node
    */
   _deleteButtonClicked(node) {
     this._model.deleteCacheEntry(this._cache, /** @type {string} */ (node.data['request']), node.remove.bind(node));
   }
@@ skipping 48 matching lines @@
 
     if (this._lastPageSize !== pageSize) {
       skipCount = 0;
       this._skipCount = 0;
     }
     this._lastPageSize = pageSize;
     this._lastSkipCount = skipCount;
     this._model.loadCacheData(this._cache, skipCount, pageSize, this._updateDataCallback.bind(this, skipCount));
   }
 
-  /**
-   * @param {!Common.Event} event
-   */
   _refreshButtonClicked(event) {
     this._updateData(true);
   }
 
   /**
    * @override
    * @return {!Array.<!UI.ToolbarItem>}
    */
   syncToolbarItems() {
     return [this._refreshButton];
   }
 
   clear() {
     this._dataGrid.rootNode().removeChildren();
     this._entries = [];
   }
 };