Adds AX role for abbr tag.

components/test_runner/web_ax_object_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 "components/test_runner/web_ax_object_proxy.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "base/strings/stringprintf.h"
 #include "gin/handle.h"
 #include "third_party/WebKit/public/platform/WebPoint.h"
 #include "third_party/WebKit/public/platform/WebRect.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 
 namespace test_runner {
 
 namespace {
 
 // Map role value to string, matching Safari/Mac platform implementation to
 // avoid rebaselining layout tests.
 std::string RoleToString(blink::WebAXRole role)
 {
   std::string result = "AXRole: AX";
   switch (role) {
+    case blink::WebAXRoleAbbr:
+      return result.append("Abbr");
     case blink::WebAXRoleAlertDialog:
       return result.append("AlertDialog");
     case blink::WebAXRoleAlert:
       return result.append("Alert");
     case blink::WebAXRoleAnnotation:
       return result.append("Annotation");
     case blink::WebAXRoleApplication:
       return result.append("Application");
     case blink::WebAXRoleArticle:
       return result.append("Article");
@@ skipping 1438 matching lines @@
   v8::Local<v8::Value> value_handle = gin::CreateHandle(
       isolate, new WebAXObjectProxy(object, this)).ToV8();
   if (value_handle.IsEmpty())
     return v8::Local<v8::Object>();
   v8::Local<v8::Object> handle = value_handle->ToObject(isolate);
   elements_.Append(handle);
   return handle;
 }
 
 }  // namespace test_runner