Add custom action support

chrome/browser/chromeos/arc/accessibility/ax_tree_source_arc.cc

Index: chrome/browser/chromeos/arc/accessibility/ax_tree_source_arc.cc
diff --git a/chrome/browser/chromeos/arc/accessibility/ax_tree_source_arc.cc b/chrome/browser/chromeos/arc/accessibility/ax_tree_source_arc.cc
index 83902e2143440414e08905ef049128757e5f2939..b3851e98a4877537a9ba8c33d259505e26ce033b 100644
--- a/chrome/browser/chromeos/arc/accessibility/ax_tree_source_arc.cc
+++ b/chrome/browser/chromeos/arc/accessibility/ax_tree_source_arc.cc
@@ -397,6 +397,19 @@ void AXTreeSourceArc::SerializeNode(mojom::AccessibilityNodeInfoData* node,
 
   if (GetIntProperty(node, AXIntProperty::TEXT_SELECTION_END, &val) && val >= 0)
     out_data->AddIntAttribute(ui::AX_ATTR_TEXT_SEL_END, val);
+
+  // TODO(yawano): Remove this. This is test code for WIP code.
+  std::vector<int32_t> custom_action_ids;
+  custom_action_ids.push_back(1);
+  custom_action_ids.push_back(2);
+  out_data->AddIntListAttribute(ui::AX_ATTR_CUSTOM_ACTION_IDS,
+                                custom_action_ids);
+
+  std::vector<std::string> custom_action_descriptions;
+  custom_action_descriptions.push_back(std::string("Test action 1"));
+  custom_action_descriptions.push_back(std::string("Test action 2"));
+  out_data->AddStringListAttribute(ui::AX_ATTR_CUSTOM_ACTION_DESCRIPTIONS,
+                                   custom_action_descriptions);
 }
 
 void AXTreeSourceArc::PerformAction(const ui::AXActionData& data) {