Remove WorkerPool dependency from URLRequestFileJob.

chrome/browser/io_thread.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/io_thread.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/debug/leak_tracker.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/metrics/field_trial.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
+#include "base/threading/sequenced_worker_pool.h"
 #include "base/threading/thread.h"
 #include "base/threading/worker_pool.h"
 #include "base/time/default_tick_clock.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/event_router_forwarder.h"
 #include "chrome/browser/net/async_dns_field_trial.h"
 #include "chrome/browser/net/basic_http_user_agent_settings.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/chrome_network_delegate.h"
@@ skipping 554 matching lines @@
   TRACE_EVENT_BEGIN0("startup", "IOThread::InitAsync:HttpNetworkSession");
   scoped_refptr<net::HttpNetworkSession> network_session(
       new net::HttpNetworkSession(session_params));
   globals_->proxy_script_fetcher_http_transaction_factory
       .reset(new net::HttpNetworkLayer(network_session.get()));
   TRACE_EVENT_END0("startup", "IOThread::InitAsync:HttpNetworkSession");
   scoped_ptr<net::URLRequestJobFactoryImpl> job_factory(
       new net::URLRequestJobFactoryImpl());
   job_factory->SetProtocolHandler(chrome::kDataScheme,
                                   new net::DataProtocolHandler());
-  job_factory->SetProtocolHandler(chrome::kFileScheme,
-                                  new net::FileProtocolHandler());
+  job_factory->SetProtocolHandler(
+      chrome::kFileScheme,
+      new net::FileProtocolHandler(
+          content::BrowserThread::GetBlockingPool()->
+              GetTaskRunnerWithShutdownBehavior(
+                  base::SequencedWorkerPool::SKIP_ON_SHUTDOWN)));
 #if !defined(DISABLE_FTP_SUPPORT)
   globals_->proxy_script_fetcher_ftp_transaction_factory.reset(
       new net::FtpNetworkLayer(globals_->host_resolver.get()));
   job_factory->SetProtocolHandler(
       chrome::kFtpScheme,
       new net::FtpProtocolHandler(
           globals_->proxy_script_fetcher_ftp_transaction_factory.get()));
 #endif
   globals_->proxy_script_fetcher_url_request_job_factory =
       job_factory.PassAs<net::URLRequestJobFactory>();
@@ skipping 401 matching lines @@
   if (command_line.HasSwitch(switches::kDisableQuicHttps))
     return false;
 
   if (command_line.HasSwitch(switches::kEnableQuicHttps))
     return true;
 
   // HTTPS over QUIC should only be enabled if we are in the https
   // field trial group.
   return quic_trial_group == kQuicFieldTrialHttpsEnabledGroupName;
 }