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

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

Index: third_party/WebKit/Source/devtools/front_end/resources/IndexedDBViews.js
diff --git a/third_party/WebKit/Source/devtools/front_end/resources/IndexedDBViews.js b/third_party/WebKit/Source/devtools/front_end/resources/IndexedDBViews.js
index b68d654a4f0b182c172f9567ef2abc903f751096..0b4a5896e3eae942c777a2b9cf07256426ccf07a 100644
--- a/third_party/WebKit/Source/devtools/front_end/resources/IndexedDBViews.js
+++ b/third_party/WebKit/Source/devtools/front_end/resources/IndexedDBViews.js
@@ -99,10 +99,10 @@
     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._clearButton = new UI.ToolbarButton(Common.UIString('Clear object store'), 'largeicon-clear');
-    this._clearButton.addEventListener(UI.ToolbarButton.Events.Click, this._clearButtonClicked, this);
+    this._clearButton.addEventListener('click', this._clearButtonClicked, this);
 
     this._pageSize = 50;
     this._skipCount = 0;
@@ -179,12 +179,12 @@
     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);
 
     this._keyInputElement = editorToolbar.element.createChild('input', 'key-input');
@@ -195,18 +195,12 @@
     this._keyInputElement.addEventListener('keydown', this._keyInputChanged.bind(this), false);
   }
 
-  /**
-   * @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);
   }
@@ -301,16 +295,10 @@
     }
   }
 
-  /**
-   * @param {!Common.Event} event
-   */
   _refreshButtonClicked(event) {
     this._updateData(true);
   }
 
-  /**
-   * @param {!Common.Event} event
-   */
   _clearButtonClicked(event) {
     /**
      * @this {Resources.IDBDataView}