Uses child views in Autofill Popup so we can trigger

chrome/browser/ui/views/autofill/autofill_popup_view_views.h

Index: chrome/browser/ui/views/autofill/autofill_popup_view_views.h
diff --git a/chrome/browser/ui/views/autofill/autofill_popup_view_views.h b/chrome/browser/ui/views/autofill/autofill_popup_view_views.h
index 01f214b2e1f05b4604a48e686c7252c46741ea07..d26fa5a1cf3b9fbc68d2b1c7a761fc4ee95dd3b2 100644
--- a/chrome/browser/ui/views/autofill/autofill_popup_view_views.h
+++ b/chrome/browser/ui/views/autofill/autofill_popup_view_views.h
@@ -19,25 +19,32 @@ class AutofillPopupController;
 class AutofillPopupViewViews : public AutofillPopupBaseView,
                                public AutofillPopupView {
  public:
+  // |controller| should not be null.
   AutofillPopupViewViews(AutofillPopupController* controller,
                          views::Widget* parent_widget);
-
- private:
   ~AutofillPopupViewViews() override;
 
+ private:
+  FRIEND_TEST_ALL_PREFIXES(AutofillPopupViewViewsTest,
+                           NotifyAccessibilityEventForRow);
   // AutofillPopupView implementation.
   void Show() override;
   void Hide() override;
   void InvalidateRow(size_t row) override;
   void UpdateBoundsAndRedrawPopup() override;
+  void NotifyAccessibilityEventForRow(ui::AXEvent event_type,
+                                      size_t row) override;
 
   // views::Views implementation
   void OnPaint(gfx::Canvas* canvas) override;
+  void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
 
   // Draw the given autofill entry in |entry_rect|.
   void DrawAutofillEntry(gfx::Canvas* canvas,
                          int index,
                          const gfx::Rect& entry_rect);
+  // Creates one child view for every suggestion.
+  void CreateChildViews();
 
   AutofillPopupController* controller_;  // Weak reference.