Remove DeleteTask and convert remaining users.

chrome/browser/extensions/extension_service.cc

 // Copyright (c) 2011 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/extension_service.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/stl_util.h"
 #include "base/string16.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
-#include "base/task.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "base/version.h"
 #include "chrome/browser/accessibility/accessibility_extension_api.h"
 #include "chrome/browser/bookmarks/bookmark_extension_api.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_plugin_service_filter.h"
 #include "chrome/browser/download/download_extension_api.h"
@@ skipping 445 matching lines @@
   }
 
   // TODO(miket): if we find ourselves adding more and more per-API
   // controllers, we should manage them all with an
   // APIControllerController (still working on that name).
   if (socket_controller_) {
     // If this check failed, then a unit test was using sockets but didn't
     // provide the IO thread message loop needed for those sockets to do their
     // job (including destroying themselves at shutdown).
     DCHECK(BrowserThread::IsMessageLoopValid(BrowserThread::IO));
-    BrowserThread::PostTask(
-        BrowserThread::IO, FROM_HERE,
-        new DeleteTask<extensions::SocketController>(socket_controller_));
+    BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE, socket_controller_);
   }
 }
 
 void ExtensionService::InitEventRoutersAfterImport() {
   RegisterForImportFinished();
 }
 
 void ExtensionService::RegisterForImportFinished() {
   if (!registrar_.IsRegistered(this, chrome::NOTIFICATION_IMPORT_FINISHED,
                                content::Source<Profile>(profile_))) {
@@ skipping 2161 matching lines @@
   //
   // To coexist with certain unit tests that don't have an IO thread message
   // loop available at ExtensionService shutdown, we lazy-initialize this
   // object so that those cases neither create nor destroy a SocketController.
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (!socket_controller_) {
     socket_controller_ = new extensions::SocketController();
   }
   return socket_controller_;
 }