bluetooth: Remove disconnect when page hidden

content/browser/bluetooth/bluetooth_dispatcher_host.cc

 // 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.
 
 // ID Not In Map Note:
 // A service, characteristic, or descriptor ID not in the corresponding
 // BluetoothDispatcherHost map [service_to_device_, characteristic_to_service_,
 // descriptor_to_characteristic_] implies a hostile renderer because a renderer
 // obtains the corresponding ID from this class and it will be added to the map
 // at that time.
@@ skipping 683 matching lines @@
 }
 
 void BluetoothDispatcherHost::OnGATTServerDisconnect(
     int thread_id,
     int frame_routing_id,
     const std::string& device_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   RecordWebBluetoothFunctionCall(
       UMAWebBluetoothFunction::REMOTE_GATT_SERVER_DISCONNECT);
 
-  // Make sure the origin is allowed to access the device. We perform this check
-  // in case a hostile renderer is trying to disconnect a device that the
-  // renderer is not allowed to access.
-  if (allowed_devices_map_.GetDeviceAddress(GetOrigin(frame_routing_id),
-                                            device_id)
-          .empty()) {
-    bad_message::ReceivedBadMessage(
-        this, bad_message::BDH_DEVICE_NOT_ALLOWED_FOR_ORIGIN);
-    return;
-  }
+  // Frames can send a disconnect request after they've started navigating,
+  // making calls to GetLastCommitted origin invalid. Because we still need
+  // to disconnect the device, otherwise we would leave users with no other
+  // option to disconnect than closing the tab, we purposefully don't
+  // check if the frame has permission to interact with the device.
 
   RenderFrameHostImpl* render_frame_host =
       RenderFrameHostImpl::FromID(render_process_id_, frame_routing_id);
   WebContents* web_contents =
       WebContents::FromRenderFrameHost(render_frame_host);
   if (web_contents) {
     web_contents->SetBluetoothDeviceConnected(false);
   }
 
   // The last BluetoothGattConnection for a device closes the connection when
@@ skipping 897 matching lines @@
 
 bool BluetoothDispatcherHost::CanFrameAccessCharacteristicInstance(
     int frame_routing_id,
     const std::string& characteristic_instance_id) {
   return QueryCacheForCharacteristic(GetOrigin(frame_routing_id),
                                      characteristic_instance_id)
              .outcome != CacheQueryOutcome::BAD_RENDERER;
 }
 
 }  // namespace content