Print proper debug message in case of change event timeout.

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PaymentRequest_h
 #define PaymentRequest_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/ScriptWrappable.h"
@@ skipping 50 matching lines @@
 
     // EventTargetWithInlineData:
     const AtomicString& interfaceName() const override;
     ExecutionContext* getExecutionContext() const override;
 
     // PaymentCompleter:
     ScriptPromise complete(ScriptState*, PaymentComplete result) override;
 
     // PaymentUpdater:
     void onUpdatePaymentDetails(const ScriptValue& detailsScriptValue) override;
-    void onUpdatePaymentDetailsFailure(const ScriptValue& error) override;
+    void onUpdatePaymentDetailsFailure(const String& error) override;
 
     DECLARE_TRACE();
 
 private:
     PaymentRequest(ScriptState*, const HeapVector<PaymentMethodData>&, const PaymentDetails&, const PaymentOptions&, ExceptionState&);
 
     // LifecycleObserver:
     void contextDestroyed() override;
 
     // ActiveScriptWrappable:
@@ skipping 18 matching lines @@
     Member<ScriptPromiseResolver> m_showResolver;
     Member<ScriptPromiseResolver> m_completeResolver;
     Member<ScriptPromiseResolver> m_abortResolver;
     mojom::blink::PaymentRequestPtr m_paymentProvider;
     mojo::Binding<mojom::blink::PaymentRequestClient> m_clientBinding;
 };
 
 } // namespace blink
 
 #endif // PaymentRequest_h