[chrome/browser/extensions] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

chrome/browser/extensions/zipfile_installer.cc

 // Copyright 2014 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/extensions/zipfile_installer.h"
 
 #include "base/files/file_util.h"
 #include "base/path_service.h"
+#include "base/thread_task_runner_handle.h"
 #include "chrome/browser/extensions/extension_error_reporter.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/unpacked_installer.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/chrome_utility_extensions_messages.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/utility_process_host.h"
 #include "ui/base/l10n/l10n_util.h"
 
@@ skipping 48 matching lines @@
 scoped_refptr<ZipFileInstaller> ZipFileInstaller::Create(
     ExtensionService* extension_service) {
   DCHECK(extension_service);
   return scoped_refptr<ZipFileInstaller>(
       new ZipFileInstaller(extension_service));
 }
 
 void ZipFileInstaller::StartWorkOnIOThread(const base::FilePath& temp_dir) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   UtilityProcessHost* host =
-      UtilityProcessHost::Create(this, base::MessageLoopProxy::current().get());
+      UtilityProcessHost::Create(this,
+                                 base::ThreadTaskRunnerHandle::Get().get());
   host->SetName(l10n_util::GetStringUTF16(
       IDS_UTILITY_PROCESS_ZIP_FILE_INSTALLER_NAME));
   host->SetExposedDir(temp_dir);
   host->Send(new ChromeUtilityMsg_UnzipToDir(zip_path_, temp_dir));
 }
 
 void ZipFileInstaller::ReportSuccessOnUIThread(
     const base::FilePath& unzipped_path) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (extension_service_weak_.get())
@@ skipping 34 matching lines @@
   IPC_BEGIN_MESSAGE_MAP(ZipFileInstaller, message)
   IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_UnzipToDir_Succeeded,
                       OnUnzipSucceeded)
   IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_UnzipToDir_Failed, OnUnzipFailed)
   IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 }  // namespace extensions