[PaymentReqeust] Add error message in PaymentDetails. (in blink side)

third_party/WebKit/Source/modules/payments/PaymentRequestTest.cpp

Index: third_party/WebKit/Source/modules/payments/PaymentRequestTest.cpp
diff --git a/third_party/WebKit/Source/modules/payments/PaymentRequestTest.cpp b/third_party/WebKit/Source/modules/payments/PaymentRequestTest.cpp
index 5c93ec672f06aaed3b52fbe945496dfabf380d10..eb99da3b100e61ed9dc166a9271c3269df250ad7 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentRequestTest.cpp
+++ b/third_party/WebKit/Source/modules/payments/PaymentRequestTest.cpp
@@ -35,7 +35,6 @@ TEST(PaymentRequestTest, NoExceptionWithValidData)
     EXPECT_FALSE(scope.getExceptionState().hadException());
 }
 
-
 TEST(PaymentRequestTest, SupportedMethodListRequired)
 {
     V8TestingScope scope;
@@ -56,6 +55,16 @@ TEST(PaymentRequestTest, TotalRequired)
     EXPECT_EQ(V8TypeError, scope.getExceptionState().code());
 }
 
+TEST(PaymentRequestTest, ErrorMsgMustBeEmptyInConstrctor)
+{
+    V8TestingScope scope;
+    makePaymentRequestOriginSecure(scope.document());
+    PaymentRequest::create(scope.getScriptState(), buildPaymentMethodDataForTest(), buildPaymentDetailsErrorMsgForTest("This is an error message."), scope.getExceptionState());
+
+    EXPECT_TRUE(scope.getExceptionState().hadException());
+    EXPECT_EQ(V8TypeError, scope.getExceptionState().code());
+}
+
 TEST(PaymentRequestTest, NullShippingOptionWhenNoOptionsAvailable)
 {
     V8TestingScope scope;
@@ -466,5 +475,21 @@ TEST(PaymentRequestTest, UseTheSelectedShippingOptionFromPaymentDetailsUpdate)
     EXPECT_EQ("fast", request->shippingOption());
 }
 
+TEST(PaymentRequestTest, NoExceptionWithErrorMessageInUpdate)
+{
+    V8TestingScope scope;
+    PaymentRequestMockFunctionScope funcs(scope.getScriptState());
+    makePaymentRequestOriginSecure(scope.document());
+    PaymentRequest* request = PaymentRequest::create(scope.getScriptState(), buildPaymentMethodDataForTest(), buildPaymentDetailsForTest(), scope.getExceptionState());
+    EXPECT_FALSE(scope.getExceptionState().hadException());
+
+    request->show(scope.getScriptState()).then(funcs.expectNoCall(), funcs.expectNoCall());
+    String detailWithErrorMsg = "{\"total\": {\"label\": \"Total\", \"amount\": {\"currency\": \"USD\", \"value\": \"5.00\"}},"
+        "\"error\": \"This is an error message.\"}";
+
+    request->onUpdatePaymentDetails(ScriptValue::from(scope.getScriptState(), fromJSONString(scope.getScriptState(), detailWithErrorMsg, scope.getExceptionState())));
+    EXPECT_FALSE(scope.getExceptionState().hadException());
+}
+
 } // namespace
 } // namespace blink