Revert r8560 due to broken interactive_ui_tests

base/process_util_posix.cc

 // Copyright (c) 2006-2008 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 "base/process_util.h"
 
 #include <errno.h>
 #include <signal.h>
 #include <sys/resource.h>
 #include <sys/time.h>
@@ skipping 12 matching lines @@
 namespace base {
 
 int GetCurrentProcId() {
   return getpid();
 }
 
 ProcessHandle GetCurrentProcessHandle() {
   return GetCurrentProcId();
 }
 
-bool CloseProcessHandle(ProcessHandle process) {
-  return true;
-}
-
 int GetProcId(ProcessHandle process) {
   return process;
 }
 
 // Attempts to kill the process identified by the given process
 // entry structure.  Ignores specified exit_code; posix can't force that.
 // Returns true if this is successful, false otherwise.
 bool KillProcess(int process_id, int exit_code, bool wait) {
   bool result = false;
 
@@ skipping 192 matching lines @@
   int cpu = static_cast<int>((system_time_delta * 100 + time_delta / 2) /
                              time_delta);
 
   last_system_time_ = system_time;
   last_time_ = time;
 
   return cpu;
 }
 
 }  // namespace base