Add IssueAuthToken support to the TokenService.

chrome/common/net/gaia/gaia_constants.h

Index: chrome/common/net/gaia/gaia_constants.h
diff --git a/chrome/common/net/gaia/gaia_constants.h b/chrome/common/net/gaia/gaia_constants.h
new file mode 100644
index 0000000000000000000000000000000000000000..45ac3c80f7e668705a5d62a6663f16a555ec99bc
--- /dev/null
+++ b/chrome/common/net/gaia/gaia_constants.h
@@ -0,0 +1,23 @@
+// Copyright (c) 2010 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.
+//
+// Constants used by IssueAuthToken and ClientLogin
+
+#ifndef CHROME_COMMON_NET_GAIA_GAIA_CONSTANTS_H_
+#define CHROME_COMMON_NET_GAIA_GAIA_CONSTANTS_H_
+
+namespace GaiaConstants {
+
+// Gaia sources for accounting
+extern const char kChromeOSSource[];
+extern const char kChromeSource[];
+
+// Gaia services for requesting
+extern const char kContactsService[];
+extern const char kTalkService[];
+extern const char kSyncService[];
+
+}  // namespace GaiaConstants
+
+#endif  // CHROME_COMMON_NET_GAIA_GAIA_CONSTANTS_H_