PaymentRequest: Add [Exposed=Window] to the PaymentRequest API

There is no behavior change but add a test to check it.

Bug: none
Change-Id: I883fd6eb5f848c7416b810460c182c7509d6c35c
Reviewed-on: https://chromium-review.googlesource.com/818595Reviewed-by: Rouslan Solomakhin <rouslan@chromium.org>
Commit-Queue: Jinho Bang <jinho.bang@samsung.com>
Cr-Commit-Position: refs/heads/master@{#523440}

third_party/WebKit/LayoutTests/external/wpt/payment-request/payment-request-not-exposed.https.worker.js

+importScripts("/resources/testharness.js");
+
+test(function() {
+  assert_true(isSecureContext);
+  assert_false('PaymentRequest' in self);
+  assert_false('PaymentRequestUpdateEvent' in self);
+  assert_false('PaymentResponse' in self);
+  assert_false('PaymentAddress' in self);
+}, "PaymentRequest constructor must not be exposed in worker global scope");
+
+done();

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

@@ -5,7 +5,8 @@
 // https://w3c.github.io/browser-payment-api/#paymentaddress-interface
 
 [
-    RuntimeEnabled=PaymentRequest
+    RuntimeEnabled=PaymentRequest,
+    Exposed=Window
 ] interface PaymentAddress {
     serializer = {attribute};
     readonly attribute DOMString country;

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

@@ -10,6 +10,7 @@
     Constructor(sequence<PaymentMethodData> methodData, PaymentDetailsInit details, optional PaymentOptions options),
     ConstructorCallWith=ExecutionContext,
     RaisesException=Constructor,
+    Exposed=Window,
     ActiveScriptWrappable
 ] interface PaymentRequest : EventTarget {
     [CallWith=ScriptState] Promise<PaymentResponse> show();

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

@@ -7,7 +7,8 @@
 [
     RuntimeEnabled=PaymentRequest,
     Constructor(DOMString type, optional PaymentRequestUpdateEventInit eventInitDict),
-    ConstructorCallWith=ExecutionContext
+    ConstructorCallWith=ExecutionContext,
+    Exposed=Window
 ] interface PaymentRequestUpdateEvent : Event {
     [CallWith=ScriptState,RaisesException] void updateWith(Promise<PaymentDetailsUpdate> detailsPromise);
 };

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

@@ -13,7 +13,8 @@ enum PaymentComplete {
 // https://w3c.github.io/browser-payment-api/#paymentresponse-interface
 
 [
-    RuntimeEnabled=PaymentRequest
+    RuntimeEnabled=PaymentRequest,
+    Exposed=Window
 ] interface PaymentResponse {
     serializer = {attribute};