[Web Payments] Implement the CVC Unmask dialog.

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

Index: chrome/browser/ui/views/payments/payment_request_browsertest_base.cc
diff --git a/chrome/browser/ui/views/payments/payment_request_browsertest_base.cc b/chrome/browser/ui/views/payments/payment_request_browsertest_base.cc
index 82882af4b7b2428a1c09af378516681a2692ee77..bcac6123e56e34d1176e695a47cd7b1e15be9339 100644
--- a/chrome/browser/ui/views/payments/payment_request_browsertest_base.cc
+++ b/chrome/browser/ui/views/payments/payment_request_browsertest_base.cc
@@ -151,6 +151,11 @@ void PaymentRequestBrowserTestBase::OnSpecDoneUpdating() {
     event_observer_->Observe(DialogEvent::SPEC_DONE_UPDATING);
 }
 
+void PaymentRequestBrowserTestBase::OnCvcPromptShown() {
+  if (event_observer_)
+    event_observer_->Observe(DialogEvent::CVC_PROMPT_SHOWN);
+}
+
 void PaymentRequestBrowserTestBase::OnWidgetDestroyed(views::Widget* widget) {
   if (event_observer_)
     event_observer_->Observe(DialogEvent::DIALOG_CLOSED);
@@ -378,6 +383,25 @@ PaymentRequestBrowserTestBase::GetShippingOptionLabelValues(
   return labels;
 }
 
+void PaymentRequestBrowserTestBase::OpenCVCPromptWithCVC(
+    const base::string16& cvc) {
+  ResetEventObserver(DialogEvent::CVC_PROMPT_SHOWN);
+  ClickOnDialogViewAndWait(DialogViewID::PAY_BUTTON);
+
+  views::Textfield* cvc_field =
+      static_cast<views::Textfield*>(delegate_->dialog_view()->GetViewByID(
+          static_cast<int>(DialogViewID::CVC_PROMPT_TEXT_FIELD)));
+  cvc_field->SetText(cvc);
+}
+
+void PaymentRequestBrowserTestBase::PayWithCreditCardAndWait(
+    const base::string16& cvc) {
+  OpenCVCPromptWithCVC(cvc);
+
+  ResetEventObserver(DialogEvent::DIALOG_CLOSED);
+  ClickOnDialogViewAndWait(DialogViewID::CVC_PROMPT_CONFIRM_BUTTON);
+}
+
 void PaymentRequestBrowserTestBase::SetEditorTextfieldValue(
     const base::string16& value,
     autofill::ServerFieldType type) {