Split out process killing functions from base/process_util.h into base/process/kill.h.

base/process_util.cc

-// Copyright (c) 2011 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"
-
-namespace base {
-
-bool KillProcesses(const FilePath::StringType& executable_name, int exit_code,
-                   const ProcessFilter* filter) {
-  bool result = true;
-  NamedProcessIterator iter(executable_name, filter);
-  while (const ProcessEntry* entry = iter.NextProcessEntry()) {
-#if defined(OS_WIN)
-    result &= KillProcessById(entry->pid(), exit_code, true);
-#else
-    result &= KillProcess(entry->pid(), exit_code, true);
-#endif
-  }
-  return result;
-}
-
-}  // namespace base