Oilpan: move core/fileapi to oilpan's heap.

Source/core/fileapi/FileReader.cpp

 /*
  * 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 114 matching lines @@
             reader->executePendingRead();
             m_runningReaders.add(reader);
         }
     }
 
     const size_t m_maxRunningReaders;
     Deque<FileReader*> m_pendingReaders;
     HashSet<FileReader*> m_runningReaders;
 };
 
-PassRefPtr<FileReader> FileReader::create(ExecutionContext* context)
+PassRefPtrWillBeRawPtr<FileReader> FileReader::create(ExecutionContext* context)
 {
-    RefPtr<FileReader> fileReader(adoptRef(new FileReader(context)));
+    RefPtrWillBeRawPtr<FileReader> fileReader(adoptRefCountedWillBeRefCountedGarbageCollected(new FileReader(context)));
     fileReader->suspendIfNeeded();
     return fileReader.release();
 }
 
 FileReader::FileReader(ExecutionContext* context)
     : ActiveDOMObject(context)
     , m_state(EMPTY)
     , m_loadingState(LoadingStateNone)
     , m_readType(FileReaderLoader::ReadAsBinaryString)
     , m_lastProgressNotificationTimeMS(0)
@@ skipping 239 matching lines @@
     return m_loader->arrayBufferResult();
 }
 
 String FileReader::stringResult()
 {
     if (!m_loader || m_error)
         return String();
     return m_loader->stringResult();
 }
 
+void FileReader::trace(Visitor* visitor)
+{
+    visitor->trace(m_blob);
+    visitor->trace(m_error);
+}
+
 } // namespace WebCore