Handle RESCAN events from the Bluetooth chooser by starting or extending a discovery session.

content/browser/bluetooth/bluetooth_dispatcher_host.h

 // Copyright 2014 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 CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_DISPATCHER_HOST_H_
 
 #include "base/basictypes.h"
 #include "base/id_map.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 41 matching lines @@
  private:
   friend class base::DeleteHelper<BluetoothDispatcherHost>;
   friend struct BrowserThread::DeleteOnThread<BrowserThread::UI>;
 
   struct RequestDeviceSession;
 
   // Set |adapter_| to a BluetoothAdapter instance and register observers,
   // releasing references to previous |adapter_|.
   void set_adapter(scoped_refptr<device::BluetoothAdapter> adapter);
 
+  // Makes sure a BluetoothDiscoverySession is active for |session|, and resets
+  // its timeout.
+  void StartDeviceDiscovery(RequestDeviceSession* session, int chooser_id);
+
   // Stops all BluetoothDiscoverySessions being run for requestDevice()
   // choosers.
   void StopDeviceDiscovery();
 
   // BluetoothAdapter::Observer:
   void AdapterPoweredChanged(device::BluetoothAdapter* adapter,
                              bool powered) override;
   void DeviceAdded(device::BluetoothAdapter* adapter,
                    device::BluetoothDevice* device) override;
   void DeviceRemoved(device::BluetoothAdapter* adapter,
@@ skipping 113 matching lines @@
 
   // Must be last member, see base/memory/weak_ptr.h documentation
   base::WeakPtrFactory<BluetoothDispatcherHost> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_DISPATCHER_HOST_H_