Use TaskScheduler instead of SequencedWorkerPool in components/feedback.

components/feedback/feedback_uploader.h

 // 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.
 
 #ifndef COMPONENTS_FEEDBACK_FEEDBACK_UPLOADER_H_
 #define COMPONENTS_FEEDBACK_FEEDBACK_UPLOADER_H_
 
 #include <queue>
 #include <string>
 
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
-#include "base/threading/sequenced_worker_pool.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 
 namespace feedback {
 
 typedef base::Callback<void(const std::string&)> ReportDataCallback;
 
 class FeedbackReport;
 
 // FeedbackUploader is used to add a feedback report to the queue of reports
 // being uploaded. In case uploading a report fails, it is written to disk and
 // tried again when it's turn comes up next in the queue.
 class FeedbackUploader : public base::SupportsWeakPtr<FeedbackUploader> {
  public:
+  FeedbackUploader(const base::FilePath& path);
   FeedbackUploader(const base::FilePath& path,
-                   base::SequencedWorkerPool* pool);
-  FeedbackUploader(const base::FilePath& path,
-                   base::SequencedWorkerPool* pool,
                    const std::string& url);
   virtual ~FeedbackUploader();
 
   // Queues a report for uploading.
   virtual void QueueReport(const std::string& data);
 
   base::FilePath GetFeedbackReportsPath() { return report_path_; }
 
   bool QueueEmpty() const { return reports_queue_.empty(); }
 
@@ skipping 26 matching lines @@
   base::OneShotTimer upload_timer_;
   // Priority queue of reports prioritized by the time the report is supposed
   // to be uploaded at.
   std::priority_queue<scoped_refptr<FeedbackReport>,
                       std::vector<scoped_refptr<FeedbackReport> >,
                       ReportsUploadTimeComparator> reports_queue_;
 
   ReportDataCallback dispatch_callback_;
   base::TimeDelta retry_delay_;
   std::string url_;
-  base::SequencedWorkerPool* pool_;
 
   DISALLOW_COPY_AND_ASSIGN(FeedbackUploader);
 };
 
 }  // namespace feedback
 
 #endif  // COMPONENTS_FEEDBACK_FEEDBACK_UPLOADER_H_