Fire accessibility hover events when the touch exploration flag is set.

ui/events/blink/blink_event_util.cc

Index: ui/events/blink/blink_event_util.cc
diff --git a/ui/events/blink/blink_event_util.cc b/ui/events/blink/blink_event_util.cc
index d96fb7f2f0ddc90817c67de79fa49d09b4b120c1..b3310176c7ade60b832cd1d4ff5d2036e16ac6a8 100644
--- a/ui/events/blink/blink_event_util.cc
+++ b/ui/events/blink/blink_event_util.cc
@@ -213,6 +213,8 @@ int EventFlagsToWebEventModifiers(int flags) {
     modifiers |= blink::WebInputEvent::CapsLockOn;
   if (flags & EF_IS_REPEAT)
     modifiers |= blink::WebInputEvent::IsAutoRepeat;
+  if (flags & ui::EF_TOUCH_ACCESSIBILITY)
+    modifiers |= blink::WebInputEvent::IsTouchAccessibility;
 
   return modifiers;
 }