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

third_party/WebKit/Source/devtools/front_end/ui/SearchableView.js

Index: third_party/WebKit/Source/devtools/front_end/ui/SearchableView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/ui/SearchableView.js b/third_party/WebKit/Source/devtools/front_end/ui/SearchableView.js
index 9edae2f18d51da3fcae7870f814f31b83d3bd113..d7f95e8198ea7397e97d455fbb60ef14a89933ff 100644
--- a/third_party/WebKit/Source/devtools/front_end/ui/SearchableView.js
+++ b/third_party/WebKit/Source/devtools/front_end/ui/SearchableView.js
@@ -54,14 +54,14 @@
     if (this._searchProvider.supportsCaseSensitiveSearch()) {
       this._caseSensitiveButton = new UI.ToolbarToggle(Common.UIString('Case sensitive'), '');
       this._caseSensitiveButton.setText('Aa');
-      this._caseSensitiveButton.addEventListener(UI.ToolbarButton.Events.Click, this._toggleCaseSensitiveSearch, this);
+      this._caseSensitiveButton.addEventListener('click', this._toggleCaseSensitiveSearch, this);
       toolbar.appendToolbarItem(this._caseSensitiveButton);
     }
 
     if (this._searchProvider.supportsRegexSearch()) {
       this._regexButton = new UI.ToolbarToggle(Common.UIString('Regex'), '');
       this._regexButton.setText('.*');
-      this._regexButton.addEventListener(UI.ToolbarButton.Events.Click, this._toggleRegexSearch, this);
+      this._regexButton.addEventListener('click', this._toggleRegexSearch, this);
       toolbar.appendToolbarItem(this._regexButton);
     }