Use ExecutionContext instead of Document in PaymentRequest constructor.

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

Index: third_party/WebKit/Source/modules/payments/PaymentRequest.idl
diff --git a/third_party/WebKit/Source/modules/payments/PaymentRequest.idl b/third_party/WebKit/Source/modules/payments/PaymentRequest.idl
index 943b325dde16a05e7514fb3e70429ce84f677553..9c0e76d7aecb618a693214d2c4fb200a20e6ba87 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentRequest.idl
+++ b/third_party/WebKit/Source/modules/payments/PaymentRequest.idl
@@ -8,14 +8,14 @@
 [
     RuntimeEnabled=PaymentRequest,
     Constructor(sequence<PaymentMethodData> methodData, PaymentDetails details, optional PaymentOptions options),
-    ConstructorCallWith=Document,
+    ConstructorCallWith=ScriptState,
     RaisesException=Constructor,
     ActiveScriptWrappable,
     DependentLifetime,
 ] interface PaymentRequest : EventTarget {
-    [CallWith=ScriptState] Promise<PaymentResponse> show();
-    [CallWith=ScriptState] Promise<void> abort();
-    [CallWith=ScriptState, RuntimeEnabled=CanMakePayment] Promise<boolean> canMakePayment();
+    Promise<PaymentResponse> show();
+    Promise<void> abort();
+    [RuntimeEnabled=CanMakePayment] Promise<boolean> canMakePayment();
 
     [ImplementedAs=getShippingAddress] readonly attribute PaymentAddress? shippingAddress;
     readonly attribute DOMString? shippingOption;