Remoting daemon process to support unofficial client ID

remoting/host/host_config.h

Index: remoting/host/host_config.h
diff --git a/remoting/host/host_config.h b/remoting/host/host_config.h
index 6124598aabb97063c182daa7256e225283416096..8befb0ede19ad60bce573d1e4d9f08aaa75df721 100644
--- a/remoting/host/host_config.h
+++ b/remoting/host/host_config.h
@@ -21,6 +21,8 @@ extern const char kXmppLoginConfigPath[];
 extern const char kXmppAuthTokenConfigPath[];
 // OAuth refresh token used to fetch an access token for the XMPP network.
 extern const char kOAuthRefreshTokenConfigPath[];
+// Flag to indicate whether the official client ID should be used.
+extern const char kOAuthUseOfficialClientIdConfigPath[];
 // Auth service used to authenticate to XMPP network.
 extern const char kXmppAuthServiceConfigPath[];
 // Unique identifier of the host used to register the host in directory.