Bluetooth API: improve discovery

chrome/browser/chromeos/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 CHROME_BROWSER_CHROMEOS_BLUETOOTH_BLUETOOTH_ADAPTER_H_
 #define CHROME_BROWSER_CHROMEOS_BLUETOOTH_BLUETOOTH_ADAPTER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 100 matching lines @@
   // will turn on the radio and false will turn it off.  On success, callback
   // will be called.  On failure, |error_callback| will be called.
   void SetPowered(bool powered,
                   const base::Closure& callback,
                   const ErrorCallback& error_callback);
 
   // Indicates whether the adapter is currently discovering new devices,
   // note that a typical discovery process has phases of this being true
   // followed by phases of being false when the adapter interrogates the
   // devices found.
-  bool IsDiscovering() const;
+  virtual bool IsDiscovering() const;
 
   // Requests that the adapter either begin discovering new devices when
   // |discovering| is true, or cease any discovery when false.  On success,
   // callback will be called.  On failure, |error_callback| will be called.
   virtual void SetDiscovering(bool discovering,
                               const base::Closure& callback,
                               const ErrorCallback& error_callback);
 
   // Requests the list of devices from the adapter, all are returned
   // including those currently connected and those paired. Use the
@@ skipping 195 matching lines @@
   // instance.
   typedef std::map<const std::string, BluetoothDevice*> DevicesMap;
   DevicesMap devices_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothAdapter);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_BLUETOOTH_BLUETOOTH_ADAPTER_H_