Revert of Add CPP API for BLE advertisments.

chromeos/dbus/fake_bluetooth_le_advertising_manager_client.cc

 // 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 "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "dbus/bus.h"
 #include "dbus/message.h"
 #include "dbus/object_proxy.h"
 #include "fake_bluetooth_le_advertisement_service_provider.h"
@@ skipping 36 matching lines @@
   }
 
   ServiceProviderMap::iterator iter =
       service_provider_map_.find(advertisement_object_path);
   if (iter == service_provider_map_.end()) {
     error_callback.Run(bluetooth_advertising_manager::kErrorInvalidArguments,
                        "Advertisement object not registered");
   } else if (!currently_registered_.value().empty()) {
     error_callback.Run(bluetooth_advertising_manager::kErrorFailed,
                        "Maximum advertisements reached");
+  } else if (advertisement_object_path != currently_registered_) {
+    error_callback.Run(bluetooth_advertising_manager::kErrorAlreadyExists,
+                       "Already advertising.");
   } else {
     currently_registered_ = advertisement_object_path;
     base::MessageLoop::current()->PostTask(FROM_HERE, callback);
   }
 }
 
 void FakeBluetoothLEAdvertisingManagerClient::UnregisterAdvertisement(
     const dbus::ObjectPath& manager_object_path,
     const dbus::ObjectPath& advertisement_object_path,
     const base::Closure& callback,
@@ skipping 28 matching lines @@
 void FakeBluetoothLEAdvertisingManagerClient::
     UnregisterAdvertisementServiceProvider(
         FakeBluetoothLEAdvertisementServiceProvider* service_provider) {
   ServiceProviderMap::iterator iter =
       service_provider_map_.find(service_provider->object_path_);
   if (iter != service_provider_map_.end() && iter->second == service_provider)
     service_provider_map_.erase(iter);
 }
 
 }  // namespace chromeos