Views: Add a11y information for IconLabelBubbleView and LocationIconView.

chrome/browser/ui/views/location_bar/location_icon_view.cc

Index: chrome/browser/ui/views/location_bar/location_icon_view.cc
diff --git a/chrome/browser/ui/views/location_bar/location_icon_view.cc b/chrome/browser/ui/views/location_bar/location_icon_view.cc
index 8377a674ba65283142587f9e88974046563fed0f..f3dfc1a62e401e29a5462ff329e544b9266138f1 100644
--- a/chrome/browser/ui/views/location_bar/location_icon_view.cc
+++ b/chrome/browser/ui/views/location_bar/location_icon_view.cc
@@ -124,6 +124,11 @@ bool LocationIconView::OnActivate(const ui::Event& event) {
   return true;
 }
 
+void LocationIconView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
+  IconLabelBubbleView::GetAccessibleNodeData(node_data);
+  node_data->role = ui::AX_ROLE_POP_UP_BUTTON;
+}
+
 gfx::Size LocationIconView::GetMinimumSizeForLabelText(
     const base::string16& text) const {
   views::Label label(text, font_list());