Implemented Asynchronous Initialization of BluetoothAdapter.

device/bluetooth/bluetooth_adapter.h

 // 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.
 
 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 61 matching lines @@
 
   // The ErrorCallback is used for methods that can fail in which case it
   // is called, in the success case the callback is simply not called.
   typedef base::Callback<void()> ErrorCallback;
 
   // The BluetoothOutOfBandPairingDataCallback is used to return
   // BluetoothOutOfBandPairingData to the caller.
   typedef base::Callback<void(const BluetoothOutOfBandPairingData& data)>
       BluetoothOutOfBandPairingDataCallback;
 
-  typedef base::Callback<void(scoped_refptr<BluetoothAdapter> adapter)>
-      AdapterCallback;
-
   // Adds and removes observers for events on this bluetooth adapter,
   // if monitoring multiple adapters check the |adapter| parameter of
   // observer methods to determine which adapter is issuing the event.
   virtual void AddObserver(BluetoothAdapter::Observer* observer) = 0;
   virtual void RemoveObserver(
       BluetoothAdapter::Observer* observer) = 0;
 
   // The address of this adapter.  The address format is "XX:XX:XX:XX:XX:XX",
   // where each XX is a hexadecimal number.
   virtual const std::string& address() const;
 
   // The name of the adapter.
   virtual const std::string& name() const;
 
-  // Queue adapter callbacks to be run when the adapter is initialized.
-  virtual void QueueAdapterCallback(const AdapterCallback& callback);
-
   // Indicates whether the adapter is initialized and ready to use.
   virtual bool IsInitialized() const = 0;
 
   // Indicates whether the adapter is actually present on the system, for
   // the default adapter this indicates whether any adapter is present. An
   // adapter is only considered present if the address has been obtained.
   virtual bool IsPresent() const = 0;
 
   // Indicates whether the adapter radio is powered.
   virtual bool IsPowered() const = 0;
@@ skipping 41 matching lines @@
   friend class base::RefCounted<BluetoothAdapter>;
   BluetoothAdapter();
   virtual ~BluetoothAdapter();
 
   // Address of the adapter.
   std::string address_;
 
   // Name of the adapter.
   std::string name_;
 
-  std::vector<AdapterCallback> adapter_callbacks_;
-
   // Devices paired with, connected to, discovered by, or visible to the
   // adapter. The key is the Bluetooth address of the device and the value
   // is the BluetoothDevice object whose lifetime is managed by the
   // adapter instance.
   typedef std::map<const std::string, BluetoothDevice*> DevicesMap;
   DevicesMap devices_;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_H_