Expose HTML pre tag with correct MSAA+IA2 Role

content/shell/renderer/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 "content/shell/renderer/test_runner/web_ax_object_proxy.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"
@@ skipping 160 matching lines @@
     case blink::WebAXRoleNone:
       return result.append("None");
     case blink::WebAXRoleNote:
       return result.append("Note");
     case blink::WebAXRoleOutline:
       return result.append("Outline");
     case blink::WebAXRoleParagraph:
       return result.append("Paragraph");
     case blink::WebAXRolePopUpButton:
       return result.append("PopUpButton");
+    case blink::WebAXRolePre:
+      return result.append("Pre");
     case blink::WebAXRolePresentational:
       return result.append("Presentational");
     case blink::WebAXRoleProgressIndicator:
       return result.append("ProgressIndicator");
     case blink::WebAXRoleRadioButton:
       return result.append("RadioButton");
     case blink::WebAXRoleRadioGroup:
       return result.append("RadioGroup");
     case blink::WebAXRoleRegion:
       return result.append("Region");
@@ skipping 930 matching lines @@
   v8::Handle<v8::Value> value_handle = gin::CreateHandle(
       isolate, new RootWebAXObjectProxy(object, this)).ToV8();
   if (value_handle.IsEmpty())
     return v8::Handle<v8::Object>();
   v8::Handle<v8::Object> handle = value_handle->ToObject();
   elements_.Append(handle);
   return handle;
 }
 
 }  // namespace content