LogDog: Update to archival V2.

common/api/logdog_coordinator/services/v1/util.go

Index: common/api/logdog_coordinator/services/v1/util.go
diff --git a/common/api/logdog_coordinator/services/v1/util.go b/common/api/logdog_coordinator/services/v1/util.go
new file mode 100644
index 0000000000000000000000000000000000000000..7bb6d1741b7b80d61a5309ab29c3032a91ea41fd
--- /dev/null
+++ b/common/api/logdog_coordinator/services/v1/util.go
@@ -0,0 +1,18 @@
+// Copyright 2016 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.
+
+package logdog
+
+// Complete returns true if the archive request expresses that the archived
+// log stream was complete.
+//
+// A log stream is complete if every entry between zero and its terminal index
+// is included.
+func (ar *ArchiveStreamRequest) Complete() bool {
+	tidx := ar.TerminalIndex
+	if tidx < 0 {
+		tidx = -1
+	}
+	return (ar.LogEntryCount == (tidx + 1))
+}