Views a11y: Add AXNodeData.actions bitfield to indicate supported actions by UI.

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 037e074015701c60adc0f56df10ad8eb2356264f..8d64ef51f39f54003f408e5c0dd17474d1cd1a7f 100644
--- a/ui/accessibility/ax_node_data.h
+++ b/ui/accessibility/ax_node_data.h
@@ -106,9 +106,13 @@ struct AX_EXPORT AXNodeData {
   void SetValue(const std::string& value);
   void SetValue(const base::string16& value);
 
-  // Set or check bits in |state|.
-  bool HasState(ui::AXState state_flag) const;
-  void AddState(ui::AXState state_flag);
+  // Returns true if the given enum bit is 1.
+  bool HasState(ui::AXState state_enum) const;
+  bool HasAction(ui::AXAction state_enum) const;
+
+  // Set bits in the given enum's corresponding bitfield.
+  void AddState(ui::AXState state_enum);
+  void AddAction(ui::AXAction action_enum);
 
   // Return a string representation of this data, for debugging.
   virtual std::string ToString() const;
@@ -118,6 +122,7 @@ struct AX_EXPORT AXNodeData {
   int32_t id;
   AXRole role;
   uint32_t state;
+  uint32_t actions;
   std::vector<std::pair<AXStringAttribute, std::string>> string_attributes;
   std::vector<std::pair<AXIntAttribute, int32_t>> int_attributes;
   std::vector<std::pair<AXFloatAttribute, float>> float_attributes;