Remove all remaining traces of MessageLoopProxy.

chrome/browser/chrome_browser_main.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 "chrome/browser/chrome_browser_main.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <set>
@@ skipping 779 matching lines @@
   chrome_browser::SetupPreReadFieldTrial();
 #endif  // defined(OS_WIN)
 }
 
 // ChromeBrowserMainParts: |SetupMetricsAndFieldTrials()| related --------------
 
 void ChromeBrowserMainParts::StartMetricsRecording() {
   TRACE_EVENT0("startup", "ChromeBrowserMainParts::StartMetricsRecording");
 
   g_browser_process->metrics_service()->CheckForClonedInstall(
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE));
+      BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE));
 
   g_browser_process->GetMetricsServicesManager()->UpdateUploadPermissions(true);
 }
 
 void ChromeBrowserMainParts::RecordBrowserStartupTime() {
   // Don't record any metrics if UI was displayed before this point e.g.
   // warning dialogs.
   if (startup_metric_utils::WasNonBrowserUIDisplayed())
     return;
 
@@ skipping 634 matching lines @@
     return DoUninstallTasks(already_running);
   }
 
   if (parsed_command_line().HasSwitch(switches::kHideIcons) ||
       parsed_command_line().HasSwitch(switches::kShowIcons)) {
     return ChromeBrowserMainPartsWin::HandleIconsCommands(
         parsed_command_line_);
   }
 
   ui::SelectFileDialog::SetFactory(new ChromeSelectFileDialogFactory(
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)));
+      BrowserThread::GetTaskRunnerForThread(BrowserThread::IO)));
 #endif  // defined(OS_WIN)
 
   if (parsed_command_line().HasSwitch(switches::kMakeDefaultBrowser)) {
     bool is_managed = g_browser_process->local_state()->IsManagedPreference(
         prefs::kDefaultBrowserSettingEnabled);
     if (is_managed && !g_browser_process->local_state()->GetBoolean(
         prefs::kDefaultBrowserSettingEnabled)) {
       return static_cast<int>(chrome::RESULT_CODE_ACTION_DISALLOWED_BY_POLICY);
     }
 
@@ skipping 568 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif  // defined(OS_CHROMEOS)
 #endif  // defined(OS_ANDROID)
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }