Use TaskScheduler instead of SequencedWorkerPool in browser_process_impl.cc.

chrome/browser/browser_process_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 "chrome/browser/browser_process_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <map>
 #include <utility>
 #include <vector>
 
 #include "base/atomic_ref_count.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/debug/leak_annotations.h"
 #include "base/files/file_path.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event.h"
-#include "base/threading/sequenced_worker_pool.h"
+#include "base/task_scheduler/post_task.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/default_clock.h"
 #include "base/time/default_tick_clock.h"
 #include "base/trace_event/trace_event.h"
 #include "build/build_config.h"
 #include "chrome/browser/chrome_browser_main.h"
 #include "chrome/browser/chrome_child_process_watcher.h"
 #include "chrome/browser/chrome_content_browser_client.h"
@@ skipping 1177 matching lines @@
 
 void BrowserProcessImpl::CreateSubresourceFilterRulesetService() {
   DCHECK(!subresource_filter_ruleset_service_);
   created_subresource_filter_ruleset_service_ = true;
 
   if (!base::FeatureList::IsEnabled(
           subresource_filter::kSafeBrowsingSubresourceFilter)) {
     return;
   }
 
-  base::SequencedWorkerPool* blocking_pool =
-      content::BrowserThread::GetBlockingPool();
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner(
-      blocking_pool->GetSequencedTaskRunnerWithShutdownBehavior(
-          blocking_pool->GetSequenceToken(),
-          base::SequencedWorkerPool::SKIP_ON_SHUTDOWN));
+      base::CreateSequencedTaskRunnerWithTraits(
+          {base::MayBlock(), base::TaskPriority::BACKGROUND,
+           base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN}));
 
   base::FilePath user_data_dir;
   PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
   base::FilePath indexed_ruleset_base_dir =
       user_data_dir.Append(subresource_filter::kTopLevelDirectoryName)
           .Append(subresource_filter::kIndexedRulesetBaseDirectoryName);
   subresource_filter_ruleset_service_ =
       base::MakeUnique<subresource_filter::ContentRulesetService>(
           blocking_task_runner);
   subresource_filter_ruleset_service_->set_ruleset_service(
       base::MakeUnique<subresource_filter::RulesetService>(
           local_state(), blocking_task_runner,
           subresource_filter_ruleset_service_.get(), indexed_ruleset_base_dir));
 }
 
 void BrowserProcessImpl::CreateGCMDriver() {
   DCHECK(!gcm_driver_);
 
 #if defined(OS_ANDROID)
   // Android's GCMDriver currently makes the assumption that it's a singleton.
   // Until this gets fixed, instantiating multiple Java GCMDrivers will throw
   // an exception, but because they're only initialized on demand these crashes
   // would be very difficult to triage. See http://crbug.com/437827.
   NOTREACHED();
 #else
   base::FilePath store_path;
   CHECK(PathService::Get(chrome::DIR_GLOBAL_GCM_STORE, &store_path));
-  base::SequencedWorkerPool* worker_pool =
-      content::BrowserThread::GetBlockingPool();
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner(
-      worker_pool->GetSequencedTaskRunnerWithShutdownBehavior(
-          worker_pool->GetSequenceToken(),
-          base::SequencedWorkerPool::SKIP_ON_SHUTDOWN));
+      base::CreateSequencedTaskRunnerWithTraits(
+          {base::MayBlock(), base::TaskPriority::BACKGROUND,
+           base::TaskShutdownBehavior::SKIP_ON_SHUTDOWN}));
 
   gcm_driver_ = gcm::CreateGCMDriverDesktop(
       base::WrapUnique(new gcm::GCMClientFactory), local_state(), store_path,
       system_request_context(), chrome::GetChannel(),
       gcm::GetProductCategoryForSubtypes(local_state()),
       content::BrowserThread::GetTaskRunnerForThread(
           content::BrowserThread::UI),
       content::BrowserThread::GetTaskRunnerForThread(
           content::BrowserThread::IO),
       blocking_task_runner);
@@ skipping 151 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartBackgroundInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)