Generalize the HIT_TEST accessibility action so that it can send any event.

ui/accessibility/ax_action_data.cc

Index: ui/accessibility/ax_action_data.cc
diff --git a/ui/accessibility/ax_action_data.cc b/ui/accessibility/ax_action_data.cc
index 8b9dbbef3c6934b03b7e369d72d6eda5433f4713..b65fd2d6dd2ed094beb96677b06bbce4900f9539 100644
--- a/ui/accessibility/ax_action_data.cc
+++ b/ui/accessibility/ax_action_data.cc
@@ -22,8 +22,8 @@ AXActionData::AXActionData()
       anchor_node_id(-1),
       anchor_offset(-1),
       focus_node_id(-1),
-      focus_offset(-1) {
-}
+      focus_offset(-1),
+      hit_test_event_to_fire(AX_EVENT_NONE) {}

[David Tseng, 2017/03/13 21:43:47]

Seems like this should default to hover. Alternatively, CHECK if HIT_TEST gets
called without an event to fire set.

[dmazzoni, 2017/03/20 05:40:40]

I added a DCHECK. I'd rather we make it explicit.

 
 AXActionData::AXActionData(const AXActionData& other) = default;