Index: gears/base/common/permissions_db.h
===================================================================
--- gears/base/common/permissions_db.h	(revision 1639)
+++ gears/base/common/permissions_db.h	(working copy)
@@ -28,6 +28,7 @@
 
 #include <map>
 #include "gears/base/common/database_name_table.h"
+#include "gears/base/common/database2_versions_table.h"
 #include "gears/base/common/name_value_table.h"
 #include "gears/base/common/security_model.h"
 #include "gears/base/common/shortcut_table.h"
@@ -142,6 +143,19 @@
                            const char16 *database_name,
                            const char16 *basename);
 
+  // Database2 API: get current database version for a given database at the
+  // specified origin
+  bool GetDatabase2Version(const SecurityOrigin &origin,
+                           const std::string16 &name,
+                           std::string16 *version,
+                           bool *found);
+
+  // Database2 API: set or create a version for a given database at the 
+  // specified origin
+  bool SetDatabase2Version(const SecurityOrigin &origin,
+                           const std::string16 &name,
+                           const std::string16 &version);
+
  private:
   // Private constructor, callers must use GetDB().
   PermissionsDB();
@@ -182,6 +196,9 @@
 
   DatabaseNameTable database_name_table_;
 
+  // database2 metadata
+  Database2VersionsTable database2_versions_table_;
+
   DISALLOW_EVIL_CONSTRUCTORS(PermissionsDB);
   DECL_SINGLE_THREAD
 };