Oilpan: add transition types to FileSystem APIs.

Source/modules/filesystem/FileWriter.h

 /*
  * Copyright (C) 2010 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 30 matching lines @@
 #include "public/platform/WebFileWriterClient.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class Blob;
 class ExceptionState;
 class ExecutionContext;
 
-class FileWriter FINAL : public ScriptWrappable, public FileWriterBase, public ActiveDOMObject, public EventTargetWithInlineData, public blink::WebFileWriterClient {
-    DEFINE_EVENT_TARGET_REFCOUNTING(FileWriterBase);
+class FileWriter FINAL : public FileWriterBase, public ScriptWrappable, public ActiveDOMObject, public EventTargetWithInlineData, public blink::WebFileWriterClient {
+    DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedWillBeRefCountedGarbageCollected<FileWriterBase>);
 public:
-    static PassRefPtr<FileWriter> create(ExecutionContext*);
+    static PassRefPtrWillBeRawPtr<FileWriter> create(ExecutionContext*);
 
     enum ReadyState {
         INIT = 0,
         WRITING = 1,
         DONE = 2
     };
 
     void write(Blob*, ExceptionState&);
     void seek(long long position, ExceptionState&);
     void truncate(long long length, ExceptionState&);
@@ skipping 13 matching lines @@
     virtual const AtomicString& interfaceName() const OVERRIDE;
     virtual ExecutionContext* executionContext() const OVERRIDE { return ActiveDOMObject::executionContext(); }
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(writestart);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(progress);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(write);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(writeend);
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 private:
     enum Operation {
         OperationNone,
         OperationWrite,
         OperationTruncate,
         OperationAbort
     };
 
     FileWriter(ExecutionContext*);
 
     virtual ~FileWriter();
 
     void completeAbort();
 
     void doOperation(Operation);
 
     void signalCompletion(FileError::ErrorCode);
 
     void fireEvent(const AtomicString& type);
 
     void setError(FileError::ErrorCode, ExceptionState&);
 
-    RefPtrWillBePersistent<FileError> m_error;
+    RefPtrWillBeMember<FileError> m_error;
     ReadyState m_readyState;
     Operation m_operationInProgress;
     Operation m_queuedOperation;
     long long m_bytesWritten;
     long long m_bytesToWrite;
     long long m_truncateLength;
     long long m_numAborts;
     long long m_recursionDepth;
     double m_lastProgressNotificationTimeMS;
-    RefPtrWillBePersistent<Blob> m_blobBeingWritten;
+    RefPtrWillBeMember<Blob> m_blobBeingWritten;
 };
 
 } // namespace WebCore
 
 #endif // FileWriter_h