Use make_scoped_refptr for NewRunnableMethod if the raw ptr type is derivd from RefCountedThreadSafe

chrome/browser/file_path_watcher_browsertest.cc

 // Copyright (c) 2010 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 "chrome/browser/file_path_watcher.h"
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
@@ skipping 26 matching lines @@
     : public base::RefCountedThreadSafe<NotificationCollector> {
  public:
   NotificationCollector()
       : loop_(base::MessageLoopProxy::CreateForCurrentThread()) {}
 
   // Called from the file thread by the delegates.
   void OnChange(TestDelegate* delegate) {
     loop_->PostTask(FROM_HERE,
                     NewRunnableMethod(this,
                                       &NotificationCollector::RecordChange,
-                                      delegate));
+                                      make_scoped_refptr(delegate)));
   }
 
   void Register(TestDelegate* delegate) {
     delegates_.insert(delegate);
   }
 
   void Reset() {
     signaled_.clear();
   }
 
@@ skipping 388 matching lines @@
   SetupWatch(dest_file, &file_watcher, file_delegate.get());
   scoped_refptr<TestDelegate> subdir_delegate(new TestDelegate(collector()));
   SetupWatch(dest_subdir, &subdir_watcher, subdir_delegate.get());
 
   // Move the directory into place, s.t. the watched file appears.
   ASSERT_TRUE(file_util::Move(source_dir, dest_dir));
   WaitForEvents();
 }
 
 }  // namespace