PaymentRequest: updateWith() should take PaymentDetailsUpdate promise.

The PaymentDetails already splited into PaymentDetailsInit and
PaymentDetailsUpdate. The updateWith() should take PaymentDetailsUpdate promise.
This change is only for fixing typo and there is no change in behavior.

Related spec link:
  https://w3c.github.io/browser-payment-api/#paymentrequestupdateevent-interface

Bug: 704162
Change-Id: Ib1d4c290220fadf8fa95d4d11b5c5bda2b9300ce
Reviewed-on: https://chromium-review.googlesource.com/572675Reviewed-by: Rouslan Solomakhin <rouslan@chromium.org>
Commit-Queue: Jinho Bang <jinho.bang@samsung.com>
Cr-Commit-Position: refs/heads/master@{#487253}

third_party/WebKit/Source/modules/payments/PaymentRequestUpdateEvent.idl

@@ -9,5 +9,5 @@
     Constructor(DOMString type, optional PaymentRequestUpdateEventInit eventInitDict),
     ConstructorCallWith=ExecutionContext
 ] interface PaymentRequestUpdateEvent : Event {
-    [CallWith=ScriptState,RaisesException] void updateWith(Promise<PaymentDetails> d);
+    [CallWith=ScriptState,RaisesException] void updateWith(Promise<PaymentDetailsUpdate> detailsPromise);
 };