Use TaskScheduler instead of SequencedWorkerPool in components/feedback.

components/feedback/feedback_uploader.cc

 // Copyright 2014 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 "components/feedback/feedback_uploader.h"
 
 #include <stdint.h>
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/sequenced_task_runner.h"
 #include "base/task_runner_util.h"
-#include "base/threading/sequenced_worker_pool.h"
+#include "base/task_scheduler/post_task.h"
 #include "components/feedback/feedback_report.h"
 
 namespace feedback {
 namespace {
 
 const char kFeedbackPostUrl[] =
     "https://www.google.com/tools/feedback/chrome/__submit";
 
 const int64_t kRetryDelayMinutes = 60;
 
 const base::FilePath::CharType kFeedbackReportPath[] =
     FILE_PATH_LITERAL("Feedback Reports");
 
 }  // namespace
 
 bool FeedbackUploader::ReportsUploadTimeComparator::operator()(
     const scoped_refptr<FeedbackReport>& a,
     const scoped_refptr<FeedbackReport>& b) const {
   return a->upload_at() > b->upload_at();
 }
 
-FeedbackUploader::FeedbackUploader(const base::FilePath& path,
-                                   base::SequencedWorkerPool* pool)
+FeedbackUploader::FeedbackUploader(const base::FilePath& path)
     : report_path_(path.Append(kFeedbackReportPath)),
       retry_delay_(base::TimeDelta::FromMinutes(kRetryDelayMinutes)),
-      url_(kFeedbackPostUrl),
-      pool_(pool) {
+      url_(kFeedbackPostUrl) {
   Init();
 }
 
 FeedbackUploader::FeedbackUploader(const base::FilePath& path,
-                                   base::SequencedWorkerPool* pool,
                                    const std::string& url)
     : report_path_(path.Append(kFeedbackReportPath)),
       retry_delay_(base::TimeDelta::FromMinutes(kRetryDelayMinutes)),
-      url_(url),
-      pool_(pool) {
+      url_(url) {
   Init();
 }
 
 FeedbackUploader::~FeedbackUploader() {}
 
 void FeedbackUploader::Init() {
   dispatch_callback_ = base::Bind(&FeedbackUploader::DispatchReport,
                                   AsWeakPtr());
 }
 
@@ skipping 23 matching lines @@
 
 void FeedbackUploader::RetryReport(const std::string& data) {
   QueueReportWithDelay(data, retry_delay_);
 }
 
 void FeedbackUploader::QueueReportWithDelay(const std::string& data,
                                             base::TimeDelta delay) {
   // Uses a BLOCK_SHUTDOWN file task runner because we really don't want to
   // lose reports.
   scoped_refptr<base::SequencedTaskRunner> task_runner =
-      pool_->GetSequencedTaskRunnerWithShutdownBehavior(
-          pool_->GetSequenceToken(),
-          base::SequencedWorkerPool::BLOCK_SHUTDOWN);
+      base::CreateSequencedTaskRunnerWithTraits(
+          {base::MayBlock(), base::TaskPriority::BACKGROUND,
+           base::TaskShutdownBehavior::BLOCK_SHUTDOWN});
 
   reports_queue_.push(new FeedbackReport(report_path_,
                                          base::Time::Now() + delay,
                                          data,
                                          task_runner));
   UpdateUploadTimer();
 }
 
 void FeedbackUploader::setup_for_test(
     const ReportDataCallback& dispatch_callback,
     const base::TimeDelta& retry_delay) {
   dispatch_callback_ = dispatch_callback;
   retry_delay_ = retry_delay;
 }
 
 }  // namespace feedback