Replace ui::AXViewState with AXNodeData and AXActionData

ui/accessibility/ax_node_data.h

Index: ui/accessibility/ax_node_data.h
diff --git a/ui/accessibility/ax_node_data.h b/ui/accessibility/ax_node_data.h
index 3fbaaa5bd41ea264e0ed0a570d028f8ce2a0bc5d..acd5ec54c4765d20f31c9efc37c9b8e740192edd 100644
--- a/ui/accessibility/ax_node_data.h
+++ b/ui/accessibility/ax_node_data.h
@@ -93,8 +93,17 @@ struct AX_EXPORT AXNodeData {
   // Convenience functions, mainly for writing unit tests.
   // Equivalent to AddStringAttribute(ATTR_NAME, name).
   void SetName(const std::string& name);
+  void SetName(const base::string16& name);
   // Equivalent to AddStringAttribute(ATTR_VALUE, value).
   void SetValue(const std::string& value);
+  void SetValue(const base::string16& value);
+
+  // Helper to check whether |state_flag| is set in the given |state|.
+  static bool IsFlagSet(uint32_t state, ui::AXState state_flag);
+
+  // Set or check bits in |state_|.
+  void AddStateFlag(ui::AXState state_flag);
+  bool HasStateFlag(ui::AXState state_flag) const;
 
   // Return a string representation of this data, for debugging.
   virtual std::string ToString() const;