Oilpan: add transition types to FileSystem APIs.

Source/modules/filesystem/DirectoryReader.h

Index: Source/modules/filesystem/DirectoryReader.h
diff --git a/Source/modules/filesystem/DirectoryReader.h b/Source/modules/filesystem/DirectoryReader.h
index c0fff58635e86932c4fe650d0ea7169d20c0fd20..dee58eb733562c3acbcbcd4a2ddf1a23aff564a7 100644
--- a/Source/modules/filesystem/DirectoryReader.h
+++ b/Source/modules/filesystem/DirectoryReader.h
@@ -32,6 +32,7 @@
 #define DirectoryReader_h
 
 #include "bindings/v8/ScriptWrappable.h"
+#include "heap/Handle.h"
 #include "modules/filesystem/DOMFileSystem.h"
 #include "modules/filesystem/DirectoryReaderBase.h"
 #include "wtf/PassRefPtr.h"
@@ -46,9 +47,9 @@ class ErrorCallback;
 
 class DirectoryReader : public DirectoryReaderBase, public ScriptWrappable {
 public:
-    static PassRefPtr<DirectoryReader> create(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
+    static PassRefPtrWillBeRawPtr<DirectoryReader> create(PassRefPtrWillBeRawPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
     {
-        return adoptRef(new DirectoryReader(fileSystem, fullPath));
+        return adoptRefWillBeNoop(new DirectoryReader(fileSystem, fullPath));
     }
 
     virtual ~DirectoryReader();
@@ -57,19 +58,21 @@ public:
 
     DOMFileSystem* filesystem() const { return static_cast<DOMFileSystem*>(m_fileSystem.get()); }
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 private:
     class EntriesCallbackHelper;
     class ErrorCallbackHelper;
 
-    DirectoryReader(PassRefPtr<DOMFileSystemBase>, const String& fullPath);
+    DirectoryReader(PassRefPtrWillBeRawPtr<DOMFileSystemBase>, const String& fullPath);
 
-    void addEntries(const Vector<RefPtr<Entry> >& entries);
+    void addEntries(const WillBeHeapVector<RefPtrWillBeMember<Entry> >& entries);
 
     void onError(FileError*);
 
     bool m_isReading;
-    Vector<RefPtr<Entry> > m_entries;
-    RefPtrWillBePersistent<FileError> m_error;
+    WillBeHeapVector<RefPtrWillBeMember<Entry> > m_entries;
+    RefPtrWillBeMember<FileError> m_error;
     OwnPtr<EntriesCallback> m_entriesCallback;
     OwnPtr<ErrorCallback> m_errorCallback;
 };