PaymentRequest: Introduce PaymentDetailsInit and PaymentDetailsUpdate.

third_party/WebKit/LayoutTests/payments/payment-request-interface.html

Index: third_party/WebKit/LayoutTests/payments/payment-request-interface.html
diff --git a/third_party/WebKit/LayoutTests/payments/payment-request-interface.html b/third_party/WebKit/LayoutTests/payments/payment-request-interface.html
index 5e9a8312e9636db86760d39df97715108b7eea3c..aaf6dae84d67e2e622d75b9287bbbc75542c80a7 100644
--- a/third_party/WebKit/LayoutTests/payments/payment-request-interface.html
+++ b/third_party/WebKit/LayoutTests/payments/payment-request-interface.html
@@ -361,15 +361,6 @@ generate_tests(assert_throws, [
     }],
     ['Empty string for payment method specific data parameter should throw', null, function() {
         new PaymentRequest([{'supportedMethods': ['foo'], 'data': ''}], buildDetails())
-    }],
-    ['If details contains a null value for error, then throw a TypeError', new TypeError(), function() {
-        new PaymentRequest([{'supportedMethods': ['foo']}], {'total': buildItem(), 'error': null})
-    }],
-    ['If details contains an empty string value for error, then throw a TypeError', new TypeError(), function() {
-        new PaymentRequest([{'supportedMethods': ['foo']}], {'total': buildItem(), 'error': ''})
-    }],
-    ['If details contains a non-empty string value for error, then throw a TypeError', new TypeError(), function() {
-        new PaymentRequest([{'supportedMethods': ['foo']}], {'total': buildItem(), 'error': 'Message'})
     }]
 ]);