[Payments] Add a Pay button in the Order summary screen

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

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/payments/payment_request_interactive_uitest_base.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 263 matching lines @@
     autofill::ServerFieldType type) {
   ValidatingCombobox* combobox = static_cast<ValidatingCombobox*>(
       delegate_->dialog_view()->GetViewByID(static_cast<int>(type)));
   DCHECK(combobox);
   return combobox->invalid();
 }
 
 bool PaymentRequestInteractiveTestBase::IsPayButtonEnabled() {
   views::Button* button =
       static_cast<views::Button*>(delegate_->dialog_view()->GetViewByID(
-          static_cast<int>(DialogViewID::PAYMENT_SHEET_PAY_BUTTON)));
+          static_cast<int>(DialogViewID::PAY_BUTTON)));
   DCHECK(button);
   return button->enabled();
 }
 
 void PaymentRequestInteractiveTestBase::WaitForAnimation() {
   ViewStack* view_stack = dialog_view()->view_stack_for_testing();
   if (view_stack->slide_in_animator_->IsAnimating()) {
     view_stack->slide_in_animator_->SetAnimationDuration(1);
     view_stack->slide_in_animator_->SetAnimationDelegate(
         view_stack->top(), std::unique_ptr<gfx::AnimationDelegate>(
@@ skipping 50 matching lines @@
 
 void PaymentRequestInteractiveTestBase::ResetEventObserver(DialogEvent event) {
   event_observer_ = base::MakeUnique<DialogEventObserver>(event);
 }
 
 void PaymentRequestInteractiveTestBase::WaitForObservedEvent() {
   event_observer_->Wait();
 }
 
 }  // namespace payments