Use ExecutionContext instead of Document in PaymentRequest constructor.

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

Index: third_party/WebKit/Source/modules/payments/PaymentResponse.cpp
diff --git a/third_party/WebKit/Source/modules/payments/PaymentResponse.cpp b/third_party/WebKit/Source/modules/payments/PaymentResponse.cpp
index e5df52bce72cbe7f9de0d1fb5c9008ec4fe59463..0a7eeecc4b2cdeef0304dbcd493523c2df931875 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentResponse.cpp
+++ b/third_party/WebKit/Source/modules/payments/PaymentResponse.cpp
@@ -57,14 +57,13 @@ ScriptValue PaymentResponse::details(ScriptState* scriptState,
                                   exceptionState));
 }
 
-ScriptPromise PaymentResponse::complete(ScriptState* scriptState,
-                                        const String& result) {
+ScriptPromise PaymentResponse::complete(const String& result) {
   PaymentCompleter::PaymentComplete convertedResult = PaymentCompleter::Unknown;
   if (result == "success")
     convertedResult = PaymentCompleter::Success;
   else if (result == "fail")
     convertedResult = PaymentCompleter::Fail;
-  return m_paymentCompleter->complete(scriptState, convertedResult);
+  return m_paymentCompleter->complete(convertedResult);
 }
 
 DEFINE_TRACE(PaymentResponse) {