Expose html attributes in automation tree.

chrome/renderer/extensions/automation_internal_custom_bindings.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 CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_
 #define CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/common/extensions/api/automation.h"
@@ skipping 114 matching lines @@
                        int end));
 
   //
   // Access the cached accessibility trees and properties of their nodes.
   //
 
   // Args: int ax_tree_id, int node_id, Returns: int child_id.
   void GetChildIDAtIndex(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   // Args: int ax_tree_id, int node_id
+  // Returns: JS object with a map from html attribute key to value.
+  void GetHtmlAttributes(const v8::FunctionCallbackInfo<v8::Value>& args);
+
+  // Args: int ax_tree_id, int node_id
   // Returns: JS object with a string key for each state flag that's set.
   void GetState(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   //
   // Helper functions.
   //
 
   // Handle accessibility events from the browser process.
   void OnAccessibilityEvent(const ExtensionMsg_AccessibilityEventParams& params,
                             bool is_active_profile);
@@ skipping 27 matching lines @@
       tree_change_observer_overall_filter_;
   std::vector<int> deleted_node_ids_;
   std::vector<int> text_changed_node_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(AutomationInternalCustomBindings);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_RENDERER_EXTENSIONS_AUTOMATION_INTERNAL_CUSTOM_BINDINGS_H_