Print proper debug message in case of change event timeout.

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

Index: third_party/WebKit/Source/modules/payments/PaymentUpdater.h
diff --git a/third_party/WebKit/Source/modules/payments/PaymentUpdater.h b/third_party/WebKit/Source/modules/payments/PaymentUpdater.h
index b71a2c3be600912b8d357b17a8ad01be9754cf00..3224b3e63d15b1c0e7ca1745f079efde983b1865 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentUpdater.h
+++ b/third_party/WebKit/Source/modules/payments/PaymentUpdater.h
@@ -7,6 +7,7 @@
 
 #include "modules/ModulesExport.h"
 #include "platform/heap/GarbageCollected.h"
+#include "wtf/text/WTFString.h"
 
 namespace blink {
 
@@ -15,7 +16,7 @@ class ScriptValue;
 class MODULES_EXPORT PaymentUpdater : public GarbageCollectedMixin {
 public:
     virtual void onUpdatePaymentDetails(const ScriptValue& detailsScriptValue) = 0;
-    virtual void onUpdatePaymentDetailsFailure(const ScriptValue& error) = 0;
+    virtual void onUpdatePaymentDetailsFailure(const String& error) = 0;
 
 protected:
     virtual ~PaymentUpdater() {}