PaymentRequest: Add support for payerName. (in blink side)

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

Index: third_party/WebKit/Source/modules/payments/PaymentResponseTest.cpp
diff --git a/third_party/WebKit/Source/modules/payments/PaymentResponseTest.cpp b/third_party/WebKit/Source/modules/payments/PaymentResponseTest.cpp
index 327e4a650b22beff2708c91c5c56c7bca24691b4..d2e54e322f4daafa359cd714d801d85caa37ab26 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentResponseTest.cpp
+++ b/third_party/WebKit/Source/modules/payments/PaymentResponseTest.cpp
@@ -47,6 +47,7 @@ TEST(PaymentResponseTest, DataCopiedOver)
     input->method_name = "foo";
     input->stringified_details = "{\"transactionId\": 123}";
     input->shipping_option = "standardShippingOption";
+    input->payer_name = "Jon Doe";
     input->payer_email = "abc@gmail.com";
     input->payer_phone = "0123";
     MockPaymentCompleter* completeCallback = new MockPaymentCompleter;
@@ -55,6 +56,7 @@ TEST(PaymentResponseTest, DataCopiedOver)
 
     EXPECT_EQ("foo", output.methodName());
     EXPECT_EQ("standardShippingOption", output.shippingOption());
+    EXPECT_EQ("Jon Doe", output.payerName());
     EXPECT_EQ("abc@gmail.com", output.payerEmail());
     EXPECT_EQ("0123", output.payerPhone());