Fixes for tree item level, setsize and posinset

content/shell/test_runner/web_ax_object_proxy.h

 // 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.
 
 #ifndef CONTENT_SHELL_TEST_RUNNER_WEB_AX_OBJECT_PROXY_H_
 #define CONTENT_SHELL_TEST_RUNNER_WEB_AX_OBJECT_PROXY_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 111 matching lines @@
   float FontSize();
   std::string Autocomplete();
   std::string Current();
   std::string Invalid();
   std::string KeyShortcuts();
   std::string Live();
   std::string Orientation();
   std::string Relevant();
   std::string RoleDescription();
   std::string Sort();
+  int HierarchicalLevel();
   int PosInSet();
   int SetSize();
   int ClickPointX();
   int ClickPointY();
   int32_t RowCount();
   int32_t RowHeadersCount();
   int32_t ColumnCount();
   int32_t ColumnHeadersCount();
   bool IsClickable();
   bool IsButtonStateMixed();
@@ skipping 95 matching lines @@
   v8::Local<v8::Object> GetOrCreate(const blink::WebAXObject&) override;
 
  private:
   typedef v8::PersistentValueVector<v8::Object> ElementList;
   ElementList elements_;
 };
 
 }  // namespace test_runner
 
 #endif  // CONTENT_SHELL_TEST_RUNNER_WEB_AX_OBJECT_PROXY_H_