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

Source/bindings/v8/WorkerScriptController.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 179 matching lines @@
         block.Reset();
     } else
         state->hadException = false;
 
     if (result.IsEmpty() || result->IsUndefined())
         return ScriptValue();
 
     return ScriptValue(result, m_isolate);
 }
 
-void WorkerScriptController::evaluate(const ScriptSourceCode& sourceCode, RefPtr<ErrorEvent>* errorEvent)
+void WorkerScriptController::evaluate(const ScriptSourceCode& sourceCode, RefPtrWillBeRawPtr<ErrorEvent>* errorEvent)
 {
     if (isExecutionForbidden())
         return;
 
     WorkerGlobalScopeExecutionState state;
     evaluate(sourceCode.source(), sourceCode.url().string(), sourceCode.startPosition(), &state);
     if (state.hadException) {
         if (errorEvent) {
             *errorEvent = m_workerGlobalScope.shouldSanitizeScriptError(state.sourceURL, NotSharableCrossOrigin) ?
                 ErrorEvent::createSanitizedError(m_world.get()) : ErrorEvent::create(state.errorMessage, state.sourceURL, state.lineNumber, state.columnNumber, m_world.get());
             V8ErrorHandler::storeExceptionOnErrorEventWrapper(errorEvent->get(), state.exception.v8Value(), m_isolate);
         } else {
             ASSERT(!m_workerGlobalScope.shouldSanitizeScriptError(state.sourceURL, NotSharableCrossOrigin));
-            RefPtr<ErrorEvent> event = m_errorEventFromImportedScript ? m_errorEventFromImportedScript.release() : ErrorEvent::create(state.errorMessage, state.sourceURL, state.lineNumber, state.columnNumber, m_world.get());
+            RefPtrWillBeRawPtr<ErrorEvent> event = nullptr;
+            if (m_errorEventFromImportedScript) {
+                event = m_errorEventFromImportedScript.release();
+            } else {
+                event = ErrorEvent::create(state.errorMessage, state.sourceURL, state.lineNumber, state.columnNumber, m_world.get());
+            }
             m_workerGlobalScope.reportException(event, nullptr, NotSharableCrossOrigin);
         }
     }
 }
 
 void WorkerScriptController::scheduleExecutionTermination()
 {
     // The mutex provides a memory barrier to ensure that once
     // termination is scheduled, isExecutionTerminating will
     // accurately reflect that state when called from another thread.
@@ skipping 21 matching lines @@
 {
     ASSERT(m_workerGlobalScope.isContextThread());
     return m_executionForbidden;
 }
 
 void WorkerScriptController::disableEval(const String& errorMessage)
 {
     m_disableEvalPending = errorMessage;
 }
 
-void WorkerScriptController::rethrowExceptionFromImportedScript(PassRefPtr<ErrorEvent> errorEvent)
+void WorkerScriptController::rethrowExceptionFromImportedScript(PassRefPtrWillBeRawPtr<ErrorEvent> errorEvent)
 {
     m_errorEventFromImportedScript = errorEvent;
     throwError(V8ThrowException::createError(v8GeneralError, m_errorEventFromImportedScript->message(), m_isolate), m_isolate);
 }
 
 } // namespace WebCore