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

Source/modules/indexeddb/IDBCursor.cpp

Index: Source/modules/indexeddb/IDBCursor.cpp
diff --git a/Source/modules/indexeddb/IDBCursor.cpp b/Source/modules/indexeddb/IDBCursor.cpp
index 0e4b0a381cc65a828bb0d47cde5a43d031d5862a..b56843d6eacb52dabd62f40482d9d0c409cd9f56 100644
--- a/Source/modules/indexeddb/IDBCursor.cpp
+++ b/Source/modules/indexeddb/IDBCursor.cpp
@@ -120,7 +120,7 @@ IDBAny* IDBCursor::source() const
     return m_source.get();
 }
 
-PassRefPtr<IDBRequest> IDBCursor::update(ScriptState* state, ScriptValue& value, ExceptionCode& ec)
+IDBRequest* IDBCursor::update(ScriptState* state, ScriptValue& value, ExceptionCode& ec)
 {
     IDB_TRACE("IDBCursor::update");
 
@@ -223,7 +223,7 @@ void IDBCursor::continueFunction(PassRefPtr<IDBKey> key, ExceptionCode& ec)
     m_backend->continueFunction(key, m_request);
 }
 
-PassRefPtr<IDBRequest> IDBCursor::deleteFunction(ScriptExecutionContext* context, ExceptionCode& ec)
+IDBRequest* IDBCursor::deleteFunction(ScriptExecutionContext* context, ExceptionCode& ec)
 {
     ec = 0;
     IDB_TRACE("IDBCursor::delete");
@@ -240,9 +240,9 @@ PassRefPtr<IDBRequest> IDBCursor::deleteFunction(ScriptExecutionContext* context
         ec = IDBDatabaseException::InvalidStateError;
         return 0;
     }
-    RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
+    IDBRequest* request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
     m_backend->deleteFunction(request);
-    return request.release();
+    return request;
 }
 
 void IDBCursor::postSuccessHandlerCallback()