[Web Payments] Add "pencil" edit button to lists.

chrome/browser/ui/views/payments/payment_request_item_list_unittest.cc

Index: chrome/browser/ui/views/payments/payment_request_item_list_unittest.cc
diff --git a/chrome/browser/ui/views/payments/payment_request_item_list_unittest.cc b/chrome/browser/ui/views/payments/payment_request_item_list_unittest.cc
index 313c11cb090d0e63ea16214581b0839aa77f83dc..013539aa6d2deb2dc49ce3120018f563c6d91027 100644
--- a/chrome/browser/ui/views/payments/payment_request_item_list_unittest.cc
+++ b/chrome/browser/ui/views/payments/payment_request_item_list_unittest.cc
@@ -19,7 +19,11 @@ namespace {
 class TestListItem : public PaymentRequestItemList::Item {
  public:
   TestListItem(PaymentRequestItemList* list, bool selected)
-      : PaymentRequestItemList::Item(nullptr, nullptr, list, selected),
+      : PaymentRequestItemList::Item(nullptr,
+                                     nullptr,
+                                     list,
+                                     selected,
+                                     /*show_edit_button=*/false),
         selected_state_changed_calls_count_(0) {}
 
   int selected_state_changed_calls_count() {
@@ -37,6 +41,8 @@ class TestListItem : public PaymentRequestItemList::Item {
 
   void PerformSelectionFallback() override {}
 
+  void EditButtonPressed() override {}
+
   void SelectedStateChanged() override {
     ++selected_state_changed_calls_count_;
   }