Remove unneeded scoped_refptr<>::get() on method binding

chrome/browser/process_singleton_posix.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.
 
 // On Linux, when the user tries to launch a second copy of chrome, we check
 // for a socket in the user's profile directory.  If the socket file is open we
 // send a message to the first chrome browser process with the current
 // directory and second process command line flags.  The second process then
 // exits.
 //
@@ skipping 990 matching lines @@
   }
 
   if (listen(sock, 5) < 0)
     NOTREACHED() << "listen failed: " << base::safe_strerror(errno);
 
   DCHECK(BrowserThread::IsMessageLoopValid(BrowserThread::IO));
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&ProcessSingleton::LinuxWatcher::StartListening,
-                 watcher_.get(),
+                 watcher_,
                  sock));
 
   return true;
 }
 
 void ProcessSingleton::Cleanup() {
   UnlinkPath(socket_path_);
   UnlinkPath(cookie_path_);
   UnlinkPath(lock_path_);
 }
@@ skipping 33 matching lines @@
 }
 
 void ProcessSingleton::KillProcess(int pid) {
   // TODO(james.su@gmail.com): Is SIGKILL ok?
   int rv = kill(static_cast<base::ProcessHandle>(pid), SIGKILL);
   // ESRCH = No Such Process (can happen if the other process is already in
   // progress of shutting down and finishes before we try to kill it).
   DCHECK(rv == 0 || errno == ESRCH) << "Error killing process: "
                                     << base::safe_strerror(errno);
 }