Revert of Revert of Add CPP API for BLE advertisments.

device/bluetooth/bluetooth_adapter_chromeos.cc

Index: device/bluetooth/bluetooth_adapter_chromeos.cc
diff --git a/device/bluetooth/bluetooth_adapter_chromeos.cc b/device/bluetooth/bluetooth_adapter_chromeos.cc
index 26a029bd6cf106b9052b5c6606a6f9d1ff4f66e9..5af69c84613975d64aa0653f2182e90bdb503183 100644
--- a/device/bluetooth/bluetooth_adapter_chromeos.cc
+++ b/device/bluetooth/bluetooth_adapter_chromeos.cc
@@ -21,6 +21,7 @@
 #include "chromeos/dbus/bluetooth_input_client.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "device/bluetooth/bluetooth_adapter_profile_chromeos.h"
+#include "device/bluetooth/bluetooth_advertisement_chromeos.h"
 #include "device/bluetooth/bluetooth_audio_sink_chromeos.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_device_chromeos.h"
@@ -312,6 +313,15 @@
       error_callback);
 }
 
+void BluetoothAdapterChromeOS::RegisterAdvertisement(
+    scoped_ptr<device::BluetoothAdvertisement::Data> advertisement_data,
+    const CreateAdvertisementCallback& callback,
+    const CreateAdvertisementErrorCallback& error_callback) {
+  scoped_refptr<BluetoothAdvertisementChromeOS> advertisement(
+      new BluetoothAdvertisementChromeOS(advertisement_data.Pass(), this));
+  advertisement->Register(base::Bind(callback, advertisement), error_callback);
+}
+
 void BluetoothAdapterChromeOS::RemovePairingDelegateInternal(
     BluetoothDevice::PairingDelegate* pairing_delegate) {
   // Before removing a pairing delegate make sure that there aren't any devices