bluetooth: BluetoothAdapterDeleter used to control BluetoothAdapter destruction.

device/bluetooth/bluetooth_adapter_win.cc

 // Copyright (c) 2012 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_adapter_win.h"
 
 #include <hash_set>
 #include <string>
 #include <utility>
 
+#include "base/location.h"
 #include "base/logging.h"
 #include "base/sequenced_task_runner.h"
 #include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/thread_task_runner_handle.h"
 #include "device/bluetooth/bluetooth_device_win.h"
 #include "device/bluetooth/bluetooth_socket_thread.h"
 #include "device/bluetooth/bluetooth_socket_win.h"
 #include "device/bluetooth/bluetooth_task_manager_win.h"
 #include "device/bluetooth/bluetooth_uuid.h"
@@ skipping 254 matching lines @@
       if (!device_win->IsEqual(*device_state)) {
         device_win->Update(*device_state);
         FOR_EACH_OBSERVER(BluetoothAdapter::Observer,
                           observers_,
                           DeviceChanged(this, device_win));
       }
     }
   }
 }
 
+void BluetoothAdapterWin::DeleteOnCorrectThread() const {
+  if (ui_task_runner_->RunsTasksOnCurrentThread() ||
+      !ui_task_runner_->DeleteSoon(FROM_HERE, this))
+    delete this;
+}
+
 // If the method is called when |discovery_status_| is DISCOVERY_STOPPING,
 // starting again is handled by BluetoothAdapterWin::DiscoveryStopped().
 void BluetoothAdapterWin::AddDiscoverySession(
     const base::Closure& callback,
     const ErrorCallback& error_callback) {
   if (discovery_status_ == DISCOVERING) {
     num_discovery_listeners_++;
     callback.Run();
     return;
   }
@@ skipping 54 matching lines @@
     num_discovery_listeners_ -= on_stop_discovery_callbacks_.size();
     on_stop_discovery_callbacks_.clear();
     return;
   }
 
   discovery_status_ = DISCOVERY_STOPPING;
   task_manager_->PostStopDiscoveryTask();
 }
 
 }  // namespace device