Add CPP API for BLE advertisments.

chromeos/dbus/bluetooth_le_advertisement_service_provider.h

Index: chromeos/dbus/bluetooth_le_advertisement_service_provider.h
diff --git a/chromeos/dbus/bluetooth_le_advertisement_service_provider.h b/chromeos/dbus/bluetooth_le_advertisement_service_provider.h
index 4cea5d81133d5fe04cd6a69a166bc1fae72eaed3..98622a2a1d658c23d18490c88a39046fe8d52cb3 100644
--- a/chromeos/dbus/bluetooth_le_advertisement_service_provider.h
+++ b/chromeos/dbus/bluetooth_le_advertisement_service_provider.h
@@ -50,11 +50,13 @@ class CHROMEOS_EXPORT BluetoothLEAdvertisementServiceProvider {
 
   virtual ~BluetoothLEAdvertisementServiceProvider();
 
+  const dbus::ObjectPath& object_path() { return object_path_; }
+
   // Creates the instance where |bus| is the D-Bus bus connection to export
   // the object onto, |object_path| is the object path that it should have
   // and |delegate| is the object to which all method calls will be passed
   // and responses generated from.
-  static BluetoothLEAdvertisementServiceProvider* Create(
+  static scoped_ptr<BluetoothLEAdvertisementServiceProvider> Create(
       dbus::Bus* bus,
       const dbus::ObjectPath& object_path,
       Delegate* delegate,
@@ -67,6 +69,10 @@ class CHROMEOS_EXPORT BluetoothLEAdvertisementServiceProvider {
  protected:
   BluetoothLEAdvertisementServiceProvider();
 
+  // D-Bus object path of object we are exporting, kept so we can unregister
+  // again in our destructor.
+  dbus::ObjectPath object_path_;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(BluetoothLEAdvertisementServiceProvider);
 };