Remove EnableZygote API.

chrome/browser/media_galleries/fileapi/safe_audio_video_checker.cc

 // Copyright 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 "chrome/browser/media_galleries/fileapi/safe_audio_video_checker.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 23 matching lines @@
 
   DCHECK(file_closer_);
   if (*file_closer_.get() == base::kInvalidPlatformFileValue) {
     callback_.Run(base::PLATFORM_FILE_ERROR_SECURITY);
     state_ = FINISHED_STATE;
     return;
   }
 
   utility_process_host_ = content::UtilityProcessHost::Create(
       this, base::MessageLoopProxy::current())->AsWeakPtr();
-  utility_process_host_->EnableZygote();
   utility_process_host_->Send(new ChromeUtilityMsg_StartupPing);
 }
 
 SafeAudioVideoChecker::~SafeAudioVideoChecker() {}
 
 void SafeAudioVideoChecker::OnProcessStarted() {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
   if (state_ != PINGED_STATE)
     return;
   state_ = STARTED_STATE;
@@ skipping 27 matching lines @@
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(SafeAudioVideoChecker, message)
     IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ProcessStarted,
         OnProcessStarted)
     IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_CheckMediaFile_Finished,
         OnCheckingFinished)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }