[oilpan] Move IDBDatabase, IDBDatabaseCallbacks, IDBDatabaseBackendInterface and other related clas…

Source/modules/indexeddb/IDBCursorBackendImpl.h

Index: Source/modules/indexeddb/IDBCursorBackendImpl.h
diff --git a/Source/modules/indexeddb/IDBCursorBackendImpl.h b/Source/modules/indexeddb/IDBCursorBackendImpl.h
index 06e4c33f464b84fb797f124a6a2eb04358a7cc06..c1189f72e250fb583491090bb0ff7231f0cf3c44 100644
--- a/Source/modules/indexeddb/IDBCursorBackendImpl.h
+++ b/Source/modules/indexeddb/IDBCursorBackendImpl.h
@@ -53,10 +53,10 @@ public:
     virtual ~IDBCursorBackendImpl();
 
     // IDBCursorBackendInterface
-    virtual void advance(unsigned long, PassRefPtr<IDBCallbacks>);
-    virtual void continueFunction(PassRefPtr<IDBKey>, PassRefPtr<IDBCallbacks>);
-    virtual void deleteFunction(PassRefPtr<IDBCallbacks>);
-    virtual void prefetchContinue(int numberToFetch, PassRefPtr<IDBCallbacks>);
+    virtual void advance(unsigned long, IDBCallbacks*);
+    virtual void continueFunction(PassRefPtr<IDBKey>, IDBCallbacks*);
+    virtual void deleteFunction(IDBCallbacks*);
+    virtual void prefetchContinue(int numberToFetch, IDBCallbacks*);
     virtual void prefetchReset(int usedPrefetches, int unusedPrefetches);
     virtual void postSuccessHandlerCallback() { }
 
@@ -74,7 +74,7 @@ private:
 
     IDBDatabaseBackendInterface::TaskType m_taskType;
     IndexedDB::CursorType m_cursorType;
-    const RefPtr<IDBDatabaseBackendImpl> m_database;
+    const Persistent<IDBDatabaseBackendImpl> m_database;
     const RefPtr<IDBTransactionBackendImpl> m_transaction;
     const int64_t m_objectStoreId;