Change getDevices to use a DeviceCallback.

chrome/browser/chromeos/extensions/bluetooth_event_router.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 CHROME_BROWSER_CHROMEOS_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_
 
 #include <map>
 
 #include "base/memory/ref_counted.h"
@@ skipping 29 matching lines @@
   scoped_refptr<BluetoothSocket> GetSocket(int id);
 
   // Sets whether this Profile is responsible for the discovering state of the
   // adapter.
   void SetResponsibleForDiscovery(bool responsible);
   bool IsResponsibleForDiscovery() const;
 
   // Sets whether or not DeviceAdded events will be dispatched to extensions.
   void SetSendDiscoveryEvents(bool should_send);
 
+  // Dispatch an event that takes a device as a parameter to all renderers.
+  void DispatchDeviceEvent(
+      const char* event_name,
+      const extensions::api::experimental_bluetooth::Device& device);
+
   // Override from chromeos::BluetoothAdapter::Observer
   virtual void AdapterPresentChanged(chromeos::BluetoothAdapter* adapter,
                                      bool present) OVERRIDE;
   virtual void AdapterPoweredChanged(chromeos::BluetoothAdapter* adapter,
                                      bool has_power) OVERRIDE;
   virtual void AdapterDiscoveringChanged(chromeos::BluetoothAdapter* adapter,
                                          bool discovering) OVERRIDE;
   virtual void DeviceAdded(chromeos::BluetoothAdapter* adapter,
                            chromeos::BluetoothDevice* device) OVERRIDE;
 
   // Exposed for testing.
   void SetAdapterForTest(chromeos::BluetoothAdapter* adapter) {
     adapter_ = adapter;
   }
  private:
   void DispatchBooleanValueEvent(const char* event_name, bool value);
-  void DispatchDeviceEvent(
-      const extensions::api::experimental_bluetooth::Device& device);
 
   bool send_discovery_events_;
   bool responsible_for_discovery_;
 
   Profile* profile_;
   scoped_refptr<chromeos::BluetoothAdapter> adapter_;
 
   // The next id to use for referring to a BluetoothSocket.  We avoid using
   // the fd of the socket because we don't want to leak that information to
   // the extension javascript.
   int next_socket_id_;
 
   typedef std::map<int, scoped_refptr<BluetoothSocket> > SocketMap;
   SocketMap socket_map_;
 
   typedef ScopedVector<extensions::api::experimental_bluetooth::Device>
       DeviceList;
   DeviceList discovered_devices_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionBluetoothEventRouter);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_