Removed zombie hunter code

chrome/browser/process_singleton_linux.cc

 // Copyright (c) 2009 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/process_singleton.h"
 
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/un.h>
@@ skipping 37 matching lines @@
     LOG(ERROR) << "bind() failed: " << strerror(errno);
 
   if (listen(sock, 5) < 0)
     NOTREACHED() << "listen failed: " << strerror(errno);
 
   // TODO(port): register this socket as something we care about getting
   // input on, process messages, etc.
   // http://code.google.com/p/chromium/issues/detail?id=8073
 }
 
-void ProcessSingleton::HuntForZombieChromeProcesses() {
-  // On Windows, this examines all the chrome.exe processes to see if one
-  // is hung.  TODO(port): should we do anything here?
-  // http://code.google.com/p/chromium/issues/detail?id=8073
-}
-
 void ProcessSingleton::SetupSocket(int* sock, struct sockaddr_un* addr) {
   *sock = socket(PF_UNIX, SOCK_STREAM, 0);
   if (*sock < 0)
     LOG(FATAL) << "socket() failed: " << strerror(errno);
 
   addr->sun_family = AF_UNIX;
   base::strlcpy(addr->sun_path, socket_path_.value().c_str(),
                 sizeof(addr->sun_path));
 }