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

Source/modules/indexeddb/IDBDatabase.h

Index: Source/modules/indexeddb/IDBDatabase.h
diff --git a/Source/modules/indexeddb/IDBDatabase.h b/Source/modules/indexeddb/IDBDatabase.h
index 42ae99913315ad27619a82802941b8b3d3cfa590..6b791a2f7c9baf57bfa16f71148a83ea95eebfd6 100644
--- a/Source/modules/indexeddb/IDBDatabase.h
+++ b/Source/modules/indexeddb/IDBDatabase.h
@@ -51,10 +51,10 @@ class IDBDatabase : public RefCountedHeapAllocated<IDBDatabase>, public ScriptWr
     DECLARE_GC_MAP
     DEFINE_SELF_HANDLE(IDBDatabase)
 public:
-    static PassRefPtr<IDBDatabase> create(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendInterface>, PassRefPtr<IDBDatabaseCallbacks>);
+    static IDBDatabase* create(ScriptExecutionContext*, IDBDatabaseBackendInterface*, IDBDatabaseCallbacks*);
     ~IDBDatabase();
 
-    virtual void trace(Visitor*) { }
+    virtual void trace(Visitor*);
 
     virtual void visitWith(Visitor* visitor) const OVERRIDE
     {
@@ -111,7 +111,7 @@ public:
         return findObjectStoreId(name) != IDBObjectStoreMetadata::InvalidId;
     }
 
-    IDBDatabaseBackendInterface* backend() const { return m_backend.get(); }
+    IDBDatabaseBackendInterface* backend() const { return m_backend; }
 
     static int64_t nextTransactionId();
 
@@ -119,7 +119,7 @@ public:
     using RefCountedHeapAllocated<IDBDatabase>::deref;
 
 private:
-    IDBDatabase(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendInterface>, PassRefPtr<IDBDatabaseCallbacks>);
+    IDBDatabase(ScriptExecutionContext*, IDBDatabaseBackendInterface*, IDBDatabaseCallbacks*);
 
     // EventTarget
     virtual EventTargetData* eventTargetData();
@@ -128,7 +128,7 @@ private:
     void closeConnection();
 
     IDBDatabaseMetadata m_metadata;
-    RefPtr<IDBDatabaseBackendInterface> m_backend;
+    Member<IDBDatabaseBackendInterface> m_backend;
     RefPtr<IDBTransaction> m_versionChangeTransaction;
     typedef HashMap<int64_t, RefPtr<IDBTransaction> > TransactionMap;
     TransactionMap m_transactions;
@@ -142,7 +142,7 @@ private:
     // database so that we can cancel them if the database closes.
     Vector<RefPtr<Event> > m_enqueuedEvents;
 
-    RefPtr<IDBDatabaseCallbacks> m_databaseCallbacks;
+    Member<IDBDatabaseCallbacks> m_databaseCallbacks;
 };
 
 } // namespace WebCore