Oilpan: Replace most of RefPtrs for Event objects with oilpan's transition types

Source/core/dom/ExecutionContext.cpp

Index: Source/core/dom/ExecutionContext.cpp
diff --git a/Source/core/dom/ExecutionContext.cpp b/Source/core/dom/ExecutionContext.cpp
index a0b89148f4c2026c95172ba8a3147e3d5bd579ce..26f8f9893e5981fd1e1c19a5319335047d8dd75e 100644
--- a/Source/core/dom/ExecutionContext.cpp
+++ b/Source/core/dom/ExecutionContext.cpp
@@ -128,9 +128,9 @@ bool ExecutionContext::shouldSanitizeScriptError(const String& sourceURL, Access
     return !(securityOrigin()->canRequest(completeURL(sourceURL)) || corsStatus == SharableCrossOrigin);
 }
 
-void ExecutionContext::reportException(PassRefPtr<ErrorEvent> event, PassRefPtr<ScriptCallStack> callStack, AccessControlStatus corsStatus)
+void ExecutionContext::reportException(PassRefPtrWillBeRawPtr<ErrorEvent> event, PassRefPtr<ScriptCallStack> callStack, AccessControlStatus corsStatus)
 {
-    RefPtr<ErrorEvent> errorEvent = event;
+    RefPtrWillBeRawPtr<ErrorEvent> errorEvent = event;
     if (m_inDispatchErrorEvent) {
         if (!m_pendingExceptions)
             m_pendingExceptions = adoptPtr(new Vector<OwnPtr<PendingException> >());
@@ -167,7 +167,7 @@ void ExecutionContext::addConsoleMessage(MessageSource source, MessageLevel leve
     m_client->addMessage(source, level, message, String(), 0, state);
 }
 
-bool ExecutionContext::dispatchErrorEvent(PassRefPtr<ErrorEvent> event, AccessControlStatus corsStatus)
+bool ExecutionContext::dispatchErrorEvent(PassRefPtrWillBeRawPtr<ErrorEvent> event, AccessControlStatus corsStatus)
 {
     if (!m_client)
         return false;
@@ -175,7 +175,7 @@ bool ExecutionContext::dispatchErrorEvent(PassRefPtr<ErrorEvent> event, AccessCo
     if (!target)
         return false;
 
-    RefPtr<ErrorEvent> errorEvent = event;
+    RefPtrWillBeRawPtr<ErrorEvent> errorEvent = event;
     if (shouldSanitizeScriptError(errorEvent->filename(), corsStatus))
         errorEvent = ErrorEvent::createSanitizedError(errorEvent->world());