bluetooth: Stop support of reconnecting devices not supporting pairing

device/bluetooth/bluez/bluetooth_adapter_bluez.cc

 // Copyright 2013 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.
 
 #include "device/bluetooth/bluez/bluetooth_adapter_bluez.h"
 
 #include <algorithm>
 #include <cstdint>
 #include <limits>
 #include <memory>
@@ skipping 651 matching lines @@
   // not need to approve every incoming connection
   if (property_name == properties->paired.name()) {
     if (properties->paired.value() && !properties->trusted.value()) {
       device_bluez->SetTrusted();
     }
     NotifyDevicePairedChanged(device_bluez, properties->paired.value());
   }
 
   // UMA connection counting
   if (property_name == properties->connected.name()) {
-    // PlayStation joystick tries to reconnect after disconnection from USB.
-    // If it is still not trusted, set it, so it becomes available on the
-    // list of known devices.
-    if (properties->connected.value()) {
-      if (device_bluez->IsTrustable() && !properties->trusted.value())
-        device_bluez->SetTrusted();
-    }
-
     int count = 0;
 
     for (auto iter = devices_.begin(); iter != devices_.end(); ++iter) {
       if (iter->second->IsPaired() && iter->second->IsConnected())
         ++count;
     }
 
     UMA_HISTOGRAM_COUNTS_100("Bluetooth.ConnectedDeviceCount", count);
   }
 }
@@ skipping 1051 matching lines @@
   } else if (error_name == bluetooth_adapter::kErrorAlreadyExists) {
     code = BluetoothServiceRecordBlueZ::ErrorCode::ERROR_RECORD_ALREADY_EXISTS;
   } else if (error_name == bluetooth_adapter::kErrorNotReady) {
     code = BluetoothServiceRecordBlueZ::ErrorCode::ERROR_ADAPTER_NOT_READY;
   }
 
   error_callback.Run(code);
 }
 
 }  // namespace bluez