call static SequencedWorkerPool::GetSequenceToken() method directly

content/browser/plugin_service_impl.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 "content/browser/plugin_service_impl.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 159 matching lines @@
                               FLASH_USAGE_ENUM_COUNT);
   }
 }
 
 PluginServiceImpl::~PluginServiceImpl() {
   // Make sure no plugin channel requests have been leaked.
   DCHECK(pending_plugin_clients_.empty());
 }
 
 void PluginServiceImpl::Init() {
-  plugin_list_token_ = BrowserThread::GetBlockingPool()->GetSequenceToken();
+  plugin_list_token_ = base::SequencedWorkerPool::GetSequenceToken();
   PluginList::Singleton()->set_will_load_plugins_callback(
       base::Bind(&WillLoadPluginsCallback, plugin_list_token_));
 
   RegisterPepperPlugins();
 
   // Load any specified on the command line as well.
   const base::CommandLine* command_line =
       base::CommandLine::ForCurrentProcess();
   base::FilePath path =
       command_line->GetSwitchValuePath(switches::kLoadPlugin);
@@ skipping 678 matching lines @@
 #endif
 
 bool PluginServiceImpl::PpapiDevChannelSupported(
     BrowserContext* browser_context,
     const GURL& document_url) {
   return GetContentClient()->browser()->IsPluginAllowedToUseDevChannelAPIs(
       browser_context, document_url);
 }
 
 }  // namespace content