Win should call ::TerminateProcess to exit a renderer process

base/process/process_posix.cc

 // Copyright 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/process.h"
 
 #include <errno.h>
 #include <stdint.h>
 #include <sys/resource.h>
 #include <sys/wait.h>
@@ skipping 246 matching lines @@
   return Process(handle);
 }
 
 #if !defined(OS_LINUX) && !defined(OS_MACOSX)
 // static
 bool Process::CanBackgroundProcesses() {
   return false;
 }
 #endif  // !defined(OS_LINUX) && !defined(OS_MACOSX)
 
+// static
+void Process::TerminateCurrentProcessImmediately(int exit_code) {
+  _exit(exit_code);
+}
+
 bool Process::IsValid() const {
   return process_ != kNullProcessHandle;
 }
 
 ProcessHandle Process::Handle() const {
   return process_;
 }
 
 Process Process::Duplicate() const {
   if (is_current())
@@ skipping 99 matching lines @@
   return false;
 }
 #endif  // !defined(OS_LINUX) && !defined(OS_MACOSX)
 
 int Process::GetPriority() const {
   DCHECK(IsValid());
   return getpriority(PRIO_PROCESS, process_);
 }
 
 }  // namespace base