Remove unused copies of EarlyZygoteLaunch()

content/browser/utility_process_host_impl.cc

 // Copyright (c) 2012 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 "content/browser/utility_process_host_impl.h"
 
 #include <utility>
 
 #include "base/base_switches.h"
 #include "base/bind.h"
@@ skipping 36 matching lines @@
 #include "content/public/browser/zygote_handle_linux.h"
 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 
 #if defined(OS_WIN)
 #include "sandbox/win/src/sandbox_policy.h"
 #include "sandbox/win/src/sandbox_types.h"
 #endif
 
 namespace content {
 
-#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
-namespace {
-ZygoteHandle g_utility_zygote;
-}  // namespace
-#endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
-
 // NOTE: changes to this class need to be reviewed by the security team.
 class UtilitySandboxedProcessLauncherDelegate
     : public SandboxedProcessLauncherDelegate {
  public:
   UtilitySandboxedProcessLauncherDelegate(const base::FilePath& exposed_dir,
                                           bool launch_elevated,
                                           bool no_sandbox,
                                           const base::EnvironmentMap& env)
       : exposed_dir_(exposed_dir),
 #if defined(OS_WIN)
@@ skipping 157 matching lines @@
     const std::string& interface_name,
     mojo::ScopedMessagePipeHandle interface_pipe) {
   process_->child_connection()->BindInterface(interface_name,
                                               std::move(interface_pipe));
 }
 
 void UtilityProcessHostImpl::SetName(const base::string16& name) {
   name_ = name;
 }
 
-#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
-// static
-void UtilityProcessHostImpl::EarlyZygoteLaunch() {
-  DCHECK(!g_utility_zygote);
-  g_utility_zygote = CreateZygote();
-}
-#endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
-
 bool UtilityProcessHostImpl::StartProcess() {
   if (started_)
     return true;
   started_ = true;
 
   if (is_batch_mode_)
     return true;
 
   process_->SetName(name_);
   process_->GetHost()->CreateChannelMojo();
@@ skipping 145 matching lines @@
     base::WeakPtr<UtilityProcessHostImpl> host,
     int error_code) {
   if (!host)
     return;
 
   host->OnProcessLaunchFailed(error_code);
   delete host.get();
 }
 
 }  // namespace content