Unify metrics_collection and metrics_daemon into metrics.

Tested new binaries on the target.
Tested incremental build.
Tested arm-generic build.

Review URL: http://codereview.chromium.org/1650006
diff --git a/metrics/metrics_daemon_main.cc b/metrics/metrics_daemon_main.cc
new file mode 100644
index 0000000..302bdcb
--- /dev/null
+++ b/metrics/metrics_daemon_main.cc
@@ -0,0 +1,16 @@
+// Copyright (c) 2009 The Chromium OS 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 <gflags/gflags.h>
+
+#include "metrics_daemon.h"
+
+DEFINE_bool(daemon, true, "run as daemon (use -nodaemon for debugging)");
+
+int main(int argc, char** argv) {
+  MetricsDaemon::MetricsDaemon d;
+  google::ParseCommandLineFlags(&argc, &argv, true);
+  d.Run(FLAGS_daemon, false);
+}