Add test_runner support for new accessibility event

content/shell/renderer/test_runner/web_test_proxy.cc

 // 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.
 
 #include "content/shell/renderer/test_runner/web_test_proxy.h"
 
 #include <cctype>
 
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
@@ skipping 737 matching lines @@
       break;
     case blink::WebAXEventLoadComplete:
       event_name = "LoadComplete";
       break;
     case blink::WebAXEventLocationChanged:
       event_name = "LocationChanged";
       break;
     case blink::WebAXEventMenuListItemSelected:
       event_name = "MenuListItemSelected";
       break;
+    case blink::WebAXEventMenuListItemUnselected:
+      event_name = "MenuListItemUnselected";
+      break;
     case blink::WebAXEventMenuListValueChanged:
       event_name = "MenuListValueChanged";
       break;
     case blink::WebAXEventRowCollapsed:
       event_name = "RowCollapsed";
       break;
     case blink::WebAXEventRowCountChanged:
       event_name = "RowCountChanged";
       break;
     case blink::WebAXEventRowExpanded:
@@ skipping 568 matching lines @@
   // to cancel the input method's ongoing composition session.
   if (web_widget_)
     web_widget_->confirmComposition();
 }
 
 blink::WebString WebTestProxyBase::acceptLanguages() {
   return blink::WebString::fromUTF8(accept_languages_);
 }
 
 }  // namespace content