Properly name the timeout callback for update event.

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

Index: third_party/WebKit/Source/modules/payments/PaymentRequestUpdateEvent.cpp
diff --git a/third_party/WebKit/Source/modules/payments/PaymentRequestUpdateEvent.cpp b/third_party/WebKit/Source/modules/payments/PaymentRequestUpdateEvent.cpp
index d03e5d7852f6b6d5375882c23d064ce56cb2768d..71410841503daa6480c211178ea4eb5d0a75da9c 100644
--- a/third_party/WebKit/Source/modules/payments/PaymentRequestUpdateEvent.cpp
+++ b/third_party/WebKit/Source/modules/payments/PaymentRequestUpdateEvent.cpp
@@ -120,24 +120,29 @@ void PaymentRequestUpdateEvent::updateWith(ScriptState* scriptState, ScriptPromi
         UpdatePaymentDetailsErrorFunction::createFunction(scriptState, m_updater));
 }
 
-void PaymentRequestUpdateEvent::onTimerFired(TimerBase*)
+DEFINE_TRACE(PaymentRequestUpdateEvent)
 {
-    if (!m_updater)
-        return;
+    visitor->trace(m_updater);
+    Event::trace(visitor);
+}
 
-    m_updater->onUpdatePaymentDetailsFailure("Timed out as the page didn't resolve the promise from change event");
+void PaymentRequestUpdateEvent::onUpdateEventTimeoutForTesting()
+{
+    onUpdateEventTimeout(0);
 }
 
-DEFINE_TRACE(PaymentRequestUpdateEvent)
+void PaymentRequestUpdateEvent::onUpdateEventTimeout(TimerBase*)
 {
-    visitor->trace(m_updater);
-    Event::trace(visitor);
+    if (!m_updater)
+        return;
+
+    m_updater->onUpdatePaymentDetailsFailure("Timed out as the page didn't resolve the promise from change event");
 }
 
 PaymentRequestUpdateEvent::PaymentRequestUpdateEvent(const AtomicString& type, const PaymentRequestUpdateEventInit& init)
     : Event(type, init)
     , m_waitForUpdate(false)
-    , m_abortTimer(this, &PaymentRequestUpdateEvent::onTimerFired)
+    , m_abortTimer(this, &PaymentRequestUpdateEvent::onUpdateEventTimeout)
 {
 }