Initial distributor implementation

common/api/dm/service/v1/finish_attempt_normalize.go

Index: common/api/dm/service/v1/finish_attempt_normalize.go
diff --git a/common/api/dm/service/v1/finish_attempt_normalize.go b/common/api/dm/service/v1/finish_attempt_normalize.go
new file mode 100644
index 0000000000000000000000000000000000000000..b2c89e415517b4c855e9c42e85d3aaf765502ae6
--- /dev/null
+++ b/common/api/dm/service/v1/finish_attempt_normalize.go
@@ -0,0 +1,14 @@
+// Copyright 2016 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+package dm
+
+// Normalize returns an error iff the ActivateExecutionReq has bad form (nils,
+// insufficient activation token length, etc.
+func (a *FinishAttemptReq) Normalize() error {
+	if err := a.Auth.Normalize(); err != nil {
+		return err
+	}
+	return nil
+}