Oilpan: add transition types to FileSystem APIs.

Source/modules/filesystem/DirectoryReader.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 22 matching lines @@
 
 #include "core/fileapi/FileError.h"
 #include "modules/filesystem/EntriesCallback.h"
 #include "modules/filesystem/Entry.h"
 #include "modules/filesystem/ErrorCallback.h"
 
 namespace WebCore {
 
 class DirectoryReader::EntriesCallbackHelper : public EntriesCallback {
 public:
-    EntriesCallbackHelper(PassRefPtr<DirectoryReader> reader)
+    EntriesCallbackHelper(PassRefPtrWillBeRawPtr<DirectoryReader> reader)
         : m_reader(reader)
     {
     }
 
-    virtual void handleEvent(const Vector<RefPtr<Entry> >& entries) OVERRIDE
+    virtual void handleEvent(const EntryHeapVector& entries) OVERRIDE
     {
         m_reader->addEntries(entries);
     }
 
 private:
     // FIXME: This RefPtr keeps the reader alive until all of the readDirectory results are received. crbug.com/350285
-    RefPtr<DirectoryReader> m_reader;
+    RefPtrWillBePersistent<DirectoryReader> m_reader;
 };
 
 class DirectoryReader::ErrorCallbackHelper : public ErrorCallback {
 public:
-    ErrorCallbackHelper(PassRefPtr<DirectoryReader> reader)
+    ErrorCallbackHelper(PassRefPtrWillBeRawPtr<DirectoryReader> reader)
         : m_reader(reader)
     {
     }
 
     virtual void handleEvent(FileError* error) OVERRIDE
     {
         m_reader->onError(error);
     }
 
 private:
-    RefPtr<DirectoryReader> m_reader;
+    RefPtrWillBePersistent<DirectoryReader> m_reader;
 };
 
-DirectoryReader::DirectoryReader(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
+DirectoryReader::DirectoryReader(PassRefPtrWillBeRawPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
     : DirectoryReaderBase(fileSystem, fullPath)
     , m_isReading(false)
 {
     ScriptWrappable::init(this);
 }
 
 DirectoryReader::~DirectoryReader()
 {
 }
 
@@ skipping 18 matching lines @@
     if (!m_hasMoreEntries || !m_entries.isEmpty()) {
         filesystem()->scheduleCallback(entriesCallback, m_entries);
         m_entries.clear();
         return;
     }
 
     m_entriesCallback = entriesCallback;
     m_errorCallback = errorCallback;
 }
 
-void DirectoryReader::addEntries(const Vector<RefPtr<Entry> >& entries)
+void DirectoryReader::addEntries(const EntryHeapVector& entries)
 {
     m_entries.appendVector(entries);
     if (m_entriesCallback) {
         OwnPtr<EntriesCallback> entriesCallback = m_entriesCallback.release();
-        Vector<RefPtr<Entry> > entries;
+        EntryHeapVector entries;
         entries.swap(m_entries);
         entriesCallback->handleEvent(entries);
     }
 }
 
 void DirectoryReader::onError(FileError* error)
 {
     m_error = error;
     if (m_errorCallback)
         m_errorCallback->handleEvent(error);
 }
 
+void DirectoryReader::trace(Visitor* visitor)
+{
+    visitor->trace(m_entries);
+    visitor->trace(m_error);
+    DirectoryReaderBase::trace(visitor);
 }
+
+}