bluetooth: Only add new devices, connected devices and devices that changed.

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 65 matching lines @@
 
   // Stops the current discovery session and notifies the chooser
   // that the adapter changed states.
   void AdapterPoweredChanged(bool powered);
 
   // After this method is called any new instance of
   // BluetoothDeviceChooserController will have a scan duration of 0.
   static void SetTestScanDurationForTesting();
 
  private:
-  // Populates the chooser with the devices that are already in the adapter.
-  void PopulateFoundDevices();
+  // Populates the chooser with the GATT connected devices.
+  void PopulateConnectedDevices();
 
   // Notifies the chooser that discovery is starting and starts a discovery
   // session.
   void StartDeviceDiscovery();
 
   // Stops the discovery session and notifies the chooser.
   void StopDeviceDiscovery();
 
   // StartDiscoverySessionWithFilter callbacks:
   void OnStartDiscoverySessionSuccess(
@@ skipping 47 matching lines @@
   // 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_