1 files changed, 18 insertions, 0 deletions
diff --git a/ppapi/shared_impl/id_assignment.cc b/ppapi/shared_impl/id_assignment.cc
new file mode 100644
index 0000000..5cbb1b1
--- /dev/null
+++ b/ppapi/shared_impl/id_assignment.cc
@@ -0,0 +1,18 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ppapi/shared_impl/id_assignment.h"
+
+#include "base/basictypes.h"
+
+namespace ppapi {
+
+const unsigned int kPPIdTypeBits = 2;
+
+const int32 kMaxPPId = std::numeric_limits<int32>::max() >> kPPIdTypeBits;
+
+COMPILE_ASSERT(PP_ID_TYPE_COUNT <= (1<<kPPIdTypeBits),
+               kPPIdTypeBits_is_too_small_for_all_id_types);
+
+}  // namespace ppapi