Add RetainedRef uses where needed.

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 82 matching lines @@
     device::BluetoothAdapter* adapter,
     const std::string& extension_id,
     const base::Closure& callback,
     const base::Closure& error_callback) {
   if (!adapter_.get() && IsBluetoothSupported()) {
     // If |adapter_| isn't set yet, call GetAdapter() which will synchronously
     // invoke the callback (StartDiscoverySessionImpl).
     GetAdapter(base::Bind(
         &IgnoreAdapterResultAndThen,
         base::Bind(&BluetoothEventRouter::StartDiscoverySessionImpl,
-                   weak_ptr_factory_.GetWeakPtr(), make_scoped_refptr(adapter),
+                   weak_ptr_factory_.GetWeakPtr(), base::RetainedRef(adapter),
                    extension_id, callback, error_callback)));
     return;
   }
   StartDiscoverySessionImpl(adapter, extension_id, callback, error_callback);
 }
 
 void BluetoothEventRouter::StartDiscoverySessionImpl(
     device::BluetoothAdapter* adapter,
     const std::string& extension_id,
     const base::Closure& callback,
@@ skipping 353 matching lines @@
 }
 
 void BluetoothEventRouter::OnExtensionUnloaded(
     content::BrowserContext* browser_context,
     const Extension* extension,
     UnloadedExtensionInfo::Reason reason) {
   CleanUpForExtension(extension->id());
 }
 
 }  // namespace extensions