Add CPP API for BLE advertisments.

device/bluetooth/bluetooth_advertisement.cc

Index: device/bluetooth/bluetooth_advertisement.cc
diff --git a/device/bluetooth/bluetooth_advertisement.cc b/device/bluetooth/bluetooth_advertisement.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9857e9a425f2e6aca68a5f12b572b13efa5e508b
--- /dev/null
+++ b/device/bluetooth/bluetooth_advertisement.cc
@@ -0,0 +1,36 @@
+// Copyright 2015 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 "device/bluetooth/bluetooth_advertisement.h"
+
+namespace device {
+
+BluetoothAdvertisement::Data::Data(AdvertisementType type)
+    : type_(type), include_tx_power_(false) {
+}
+
+BluetoothAdvertisement::Data::~Data() {
+}
+
+BluetoothAdvertisement::Data::Data() : type_(ADVERTISEMENT_TYPE_BROADCAST) {
+}
+
+void BluetoothAdvertisement::AddObserver(
+    BluetoothAdvertisement::Observer* observer) {
+  CHECK(observer);
+  observers_.AddObserver(observer);
+}
+
+void BluetoothAdvertisement::RemoveObserver(
+    BluetoothAdvertisement::Observer* observer) {
+  CHECK(observer);
+  observers_.RemoveObserver(observer);
+}
+
+BluetoothAdvertisement::BluetoothAdvertisement() {
+}
+BluetoothAdvertisement::~BluetoothAdvertisement() {
+}
+
+}  // namespace device