Chromium roll (https://codereview.chromium.org/976353002)

base/process/kill.cc

 // Copyright (c) 2013 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/kill.h"
 
 #include "base/process/process_iterator.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
+    Process process = Process::Open(entry->pid());
+    result &= KillProcess(process.Handle(), exit_code, true);
   }
   return result;
 }
 
 }  // namespace base