Uses child views in Autofill Popup so we can trigger

chrome/browser/ui/autofill/autofill_popup_view.h

Index: chrome/browser/ui/autofill/autofill_popup_view.h
diff --git a/chrome/browser/ui/autofill/autofill_popup_view.h b/chrome/browser/ui/autofill/autofill_popup_view.h
index 4bb752fe467bf8df3249916f09268fbc35640c29..72acb37f31ee6930ef5f574ffd3b3b7d349bffe5 100644
--- a/chrome/browser/ui/autofill/autofill_popup_view.h
+++ b/chrome/browser/ui/autofill/autofill_popup_view.h
@@ -9,6 +9,7 @@
 
 #include "base/strings/string16.h"
 #include "chrome/browser/ui/autofill/autofill_popup_view_delegate.h"
+#include "ui/accessibility/ax_enums.h"
 
 namespace autofill {
 
@@ -30,6 +31,10 @@ class AutofillPopupView {
   // Refreshes the position of the popup.
   virtual void UpdateBoundsAndRedrawPopup() = 0;
 
+  // Notifies given accessibility event for the given row.
+  virtual void NotifyAccessibilityEventForRow(ui::AXEvent event_type,
+                                              size_t row) = 0;
+
   // Factory function for creating the view.
   static AutofillPopupView* Create(AutofillPopupController* controller);