bluetooth: Implement RSSI indicator on android

content/browser/bluetooth/bluetooth_device_chooser_controller.h

 // Copyright 2016 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_DEVICE_CHOOSER_CONTROLLER_H_
 #define CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_DEVICE_CHOOSER_CONTROLLER_H_
 
 #include <string>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 122 matching lines @@
   SuccessCallback success_callback_;
   ErrorCallback error_callback_;
 
   // The currently opened BluetoothChooser.
   std::unique_ptr<BluetoothChooser> chooser_;
 
   // Automatically stops Bluetooth discovery a set amount of time after it was
   // started.
   base::Timer discovery_session_timer_;
 
+  // It's possible to receive notifications about new devices after
+  // we've told the chooser to be idle. In this case, we don't want to
+  // update the chooser. This variable keeps track of whether or not the
+  // chooser is idle and should no longer be updated.
+  bool should_update_chooser_;
+
   // The last discovery session to be started.
   // TODO(ortuno): This should be null unless there is an active discovery
   // session. We need to null it when the platform stops discovery.
   // http://crbug.com/611852
   std::unique_ptr<device::BluetoothDiscoverySession> discovery_session_;
 
   // Weak pointer factory for generating 'this' pointers that might live longer
   // than we do.
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<BluetoothDeviceChooserController> weak_ptr_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_DEVICE_CHOOSER_CONTROLLER_H_