chrome.bluetooth API improvements.

device/bluetooth/bluetooth_device.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_DEVICE_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string16.h"
+#include "net/base/net_log.h"
 
 namespace device {
 
 class BluetoothProfile;
 class BluetoothServiceRecord;
 class BluetoothSocket;
 
 struct BluetoothOutOfBandPairingData;
 
 // BluetoothDevice represents a remote Bluetooth device, both its properties and
@@ skipping 325 matching lines @@
   // all references to the BluetoothSocket are released.  Note that the
   // BluetoothSocket object can outlive both this BluetoothDevice and the
   // BluetoothAdapter for this device.
   virtual void ConnectToService(const std::string& service_uuid,
                                 const SocketCallback& callback) = 0;
 
   // Attempts to initiate an outgoing connection to this device for the profile
   // identified by |profile|, on success the profile's connection callback
   // will be called as well as |callback|; on failure |error_callback| will be
   // called.
-  virtual void ConnectToProfile(BluetoothProfile* profile,
-                                const base::Closure& callback,
-                                const ErrorCallback& error_callback) = 0;
+  typedef base::Callback<void(const std::string&)>
+      ConnectToProfileErrorCallback;
+  virtual void ConnectToProfile(
+      BluetoothProfile* profile,
+      const base::Closure& callback,
+      const ConnectToProfileErrorCallback& error_callback) = 0;
 
   // Sets the Out Of Band pairing data for this device to |data|.  Exactly one
   // of |callback| or |error_callback| will be run.
   virtual void SetOutOfBandPairingData(
       const BluetoothOutOfBandPairingData& data,
       const base::Closure& callback,
       const ErrorCallback& error_callback) = 0;
 
   // Clears the Out Of Band pairing data for this device.  Exactly one of
   // |callback| or |error_callback| will be run.
   virtual void ClearOutOfBandPairingData(
       const base::Closure& callback,
       const ErrorCallback& error_callback) = 0;
 
  protected:
   BluetoothDevice();
 
   // Returns the internal name of the Bluetooth device, used by GetName().
   virtual std::string GetDeviceName() const = 0;
 
  private:
   // Returns a localized string containing the device's bluetooth address and
   // a device type for display when |name_| is empty.
   base::string16 GetAddressWithLocalizedDeviceTypeName() const;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_H_