Uses child views in Autofill Popup so we can trigger

chrome/browser/ui/cocoa/autofill/autofill_popup_view_bridge.h

Index: chrome/browser/ui/cocoa/autofill/autofill_popup_view_bridge.h
diff --git a/chrome/browser/ui/cocoa/autofill/autofill_popup_view_bridge.h b/chrome/browser/ui/cocoa/autofill/autofill_popup_view_bridge.h
index 5867e2be8d1f0bf960e7d2bcc91321fd425b2ebc..b2e0c4110a4251863fa6611892fdd14436230e1b 100644
--- a/chrome/browser/ui/cocoa/autofill/autofill_popup_view_bridge.h
+++ b/chrome/browser/ui/cocoa/autofill/autofill_popup_view_bridge.h
@@ -14,6 +14,7 @@
 #include "base/macros.h"
 #include "chrome/browser/ui/autofill/autofill_popup_view.h"
 #include "chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa.h"
+#include "ui/accessibility/ax_enums.h"
 
 @class AutofillPopupViewCocoa;
 @class NSWindow;
@@ -51,6 +52,8 @@ class AutofillPopupViewBridge : public AutofillPopupView,
   void Show() override;
   void InvalidateRow(size_t row) override;
   void UpdateBoundsAndRedrawPopup() override;
+  void NotifyAccessibilityEventForRow(ui::AXEvent event_type,
+                                      size_t row) override {}
 
   // Set the initial bounds of the popup, including its placement.
   void SetInitialBounds();