PostTask MaybeReleaseAdapter in BluetoothEventRouter::AdapterDiscoveringChanged

extensions/browser/api/bluetooth/bluetooth_event_router.cc

 // 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.
 
 #include "extensions/browser/api/bluetooth/bluetooth_event_router.h"
 
 #include <map>
 #include <string>
 #include <utility>
 
@@ skipping 312 matching lines @@
         continue;
       }
       delete session;
     }
     discovery_session_map_.swap(active_session_map);
   }
 
   DispatchAdapterStateEvent();
 
   // Release the adapter after dispatching the event.
-  if (!discovering)
-    MaybeReleaseAdapter();
+  if (!discovering) {
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(&BluetoothEventRouter::MaybeReleaseAdapter,
+                              weak_ptr_factory_.GetWeakPtr()));
+  }
 }
 
 void BluetoothEventRouter::DeviceAdded(device::BluetoothAdapter* adapter,
                                        device::BluetoothDevice* device) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (adapter != adapter_.get()) {
     BLUETOOTH_LOG(DEBUG) << "Ignoring event for adapter "
                          << adapter->GetAddress();
     return;
   }
@@ skipping 155 matching lines @@
 }
 
 void BluetoothEventRouter::OnExtensionUnloaded(
     content::BrowserContext* browser_context,
     const Extension* extension,
     UnloadedExtensionInfo::Reason reason) {
   CleanUpForExtension(extension->id());
 }
 
 }  // namespace extensions