Reimplement ibus-gconf so it does not depend on GConf-2 database

memconf/config.h

+/* ibus - The Input Bus
+ * Copyright (c) 2010, Google Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef MEMCONF_CONFIG_H_
+#define MEMCONF_CONFIG_H_
+
+#include <map>
+#include <string>
+
+#include <ibus.h>
+
+struct IBusConfigMemConf {
+  IBusConfigService parent;
+  // We have to use pointer type here for |entries| since g_object_new() uses
+  // malloc rather than new to create IBusConfigMemConf object.
+  std::map<std::string, GValue*>* entries;
+};
+
+IBusConfigMemConf* ibus_config_memconf_new(IBusConnection* connection);
+
+// These tiny hacks are necessary since memconf/main.cc which is copied
+// from gconf/main.c on compile-time uses "gconf" rather than "memconf."
+typedef IBusConfigMemConf IBusConfigGConf;
+#define ibus_config_gconf_new ibus_config_memconf_new
+
+#endif  // MEMCONF_CONFIG_H_