[CrOS Tether] Create ble_constants.h/cc, which include common constants to be shared among multiple…

chromeos/components/tether/ble_constants.cc

Index: chromeos/components/tether/ble_constants.cc
diff --git a/chromeos/components/tether/ble_constants.cc b/chromeos/components/tether/ble_constants.cc
new file mode 100644
index 0000000000000000000000000000000000000000..48ca0c09342e1fd443ff22533e33ea4c766fb2cb
--- /dev/null
+++ b/chromeos/components/tether/ble_constants.cc
@@ -0,0 +1,16 @@
+// 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.
+
+#include "chromeos/components/tether/ble_constants.h"
+
+namespace chromeos {
+
+namespace tether {
+
+const int kMaxConcurrentAdvertisements = 2;
+const char kAdvertisingServiceUuid[] = "0000fe50-0000-1000-8000-00805f9b34fb";
+
+}  // namespace tether
+
+}  // namespace chromeos