PaymentApp: Implement respondWith() in PaymentRequestEvent. (content side)

content/browser/payments/payment_app_provider_impl_unittest.cc

Index: content/browser/payments/payment_app_provider_impl_unittest.cc
diff --git a/content/browser/payments/payment_app_provider_impl_unittest.cc b/content/browser/payments/payment_app_provider_impl_unittest.cc
index b7c6d9962b49108d69656d7b69970ebad67c2e5d..7ed00657b1e18614f71f7e62a8a7c83cf273827b 100644
--- a/content/browser/payments/payment_app_provider_impl_unittest.cc
+++ b/content/browser/payments/payment_app_provider_impl_unittest.cc
@@ -37,6 +37,11 @@ void GetAllManifestsCallback(bool* called,
   *out_manifests = std::move(manifests);
 }
 
+void InvokePaymentAppCallback(bool* called,
+                              payments::mojom::PaymentAppResponsePtr response) {
+  *called = true;
+}
+
 }  // namespace
 
 class PaymentAppProviderTest : public PaymentAppContentUnitTestBase {
@@ -51,9 +56,10 @@ class PaymentAppProviderTest : public PaymentAppContentUnitTestBase {
   }
 
   void InvokePaymentApp(int64_t registration_id,
-                        payments::mojom::PaymentAppRequestPtr app_request) {
+                        payments::mojom::PaymentAppRequestPtr app_request,
+                        PaymentAppProvider::InvokePaymentAppCallback callback) {
     PaymentAppProviderImpl::GetInstance()->InvokePaymentApp(
-        browser_context(), registration_id, std::move(app_request));
+        browser_context(), registration_id, std::move(app_request), callback);
     base::RunLoop().RunUntilIdle();
   }
 
@@ -134,10 +140,11 @@ TEST_F(PaymentAppProviderTest, InvokePaymentAppTest) {
   app_request->total = payments::mojom::PaymentItem::New();
   app_request->total->amount = payments::mojom::PaymentCurrencyAmount::New();
 
-  EXPECT_FALSE(payment_app_invoked());
-  InvokePaymentApp(manifests[1].first, std::move(app_request));
+  called = false;
+  InvokePaymentApp(manifests[1].first, std::move(app_request),
+                   base::Bind(&InvokePaymentAppCallback, &called));
+  ASSERT_TRUE(called);
 
-  ASSERT_TRUE(payment_app_invoked());
   EXPECT_EQ(manifests[1].first, last_sw_registration_id());
   EXPECT_EQ(GURL(kPaymentAppInfo[1].scopeUrl), last_sw_scope_url());
 }