components: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

components/component_updater/default_component_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 "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
-#include "base/message_loop/message_loop_proxy.h"
 #include "base/sequenced_task_runner.h"
 #include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "base/version.h"
 // TODO(ddorwin): Find a better place for ReadManifest.
 #include "components/component_updater/component_updater_service.h"
 #include "components/component_updater/default_component_installer.h"
 #include "components/update_client/component_unpacker.h"
 #include "components/update_client/utils.h"
 
 using update_client::CrxComponent;
 
 namespace component_updater {
 
 namespace {
 
 // Version "0" corresponds to no installed version. By the server's conventions,
 // we represent it as a dotted quad.
 const char kNullVersion[] = "0.0.0.0";
 
 }  // namespace
 
 ComponentInstallerTraits::~ComponentInstallerTraits() {
 }
 
 DefaultComponentInstaller::DefaultComponentInstaller(
     scoped_ptr<ComponentInstallerTraits> installer_traits)
     : current_version_(kNullVersion),
-      main_task_runner_(base::MessageLoopProxy::current()) {
+      main_task_runner_(base::ThreadTaskRunnerHandle::Get()) {
   installer_traits_ = installer_traits.Pass();
 }
 
 DefaultComponentInstaller::~DefaultComponentInstaller() {
 }
 
 void DefaultComponentInstaller::Register(
     ComponentUpdateService* cus,
     const base::Closure& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ skipping 214 matching lines @@
   ComponentReady(manifest_copy.Pass());
 }
 
 void DefaultComponentInstaller::ComponentReady(
     scoped_ptr<base::DictionaryValue> manifest) {
   installer_traits_->ComponentReady(
       current_version_, GetInstallDirectory(), manifest.Pass());
 }
 
 }  // namespace component_updater