[Sync] Move //components/sync_driver to //components/sync/driver.

components/sync_driver/sync_stopped_reporter.h

-// Copyright 2015 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_SYNC_DRIVER_SYNC_STOPPED_REPORTER_H_
-#define COMPONENTS_SYNC_DRIVER_SYNC_STOPPED_REPORTER_H_
-
-#include <memory>
-#include <string>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/timer/timer.h"
-#include "net/url_request/url_fetcher.h"
-#include "net/url_request/url_fetcher_delegate.h"
-#include "net/url_request/url_request_context_getter.h"
-#include "url/gurl.h"
-
-namespace browser_sync {
-
-// Manages informing the sync server that sync has been disabled.
-// An implementation of URLFetcherDelegate was needed in order to
-// clean up the fetcher_ pointer when the request completes.
-class SyncStoppedReporter : public net::URLFetcherDelegate {
- public:
-  enum Result {
-    RESULT_SUCCESS,
-    RESULT_ERROR,
-    RESULT_TIMEOUT
-  };
-
-  typedef base::Callback<void(const Result&)> ResultCallback;
-
-  SyncStoppedReporter(const GURL& sync_service_url,
-      const std::string& user_agent,
-      const scoped_refptr<net::URLRequestContextGetter>& request_context,
-      const ResultCallback& callback);
-  ~SyncStoppedReporter() override;
-
-  // Inform the sync server that sync was stopped on this device.
-  // |access_token|, |cache_guid|, and |birthday| must not be empty.
-  void ReportSyncStopped(const std::string& access_token,
-                         const std::string& cache_guid,
-                         const std::string& birthday);
-
-  // net::URLFetcherDelegate implementation.
-  void OnURLFetchComplete(const net::URLFetcher* source) override;
-
-  // Override the timer's task runner so it can be triggered in tests.
-  void SetTimerTaskRunnerForTest(
-      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
-
- private:
-  // Convert the base sync URL into the sync event URL.
-  static GURL GetSyncEventURL(const GURL& sync_service_url);
-
-  // Callback for a request timing out.
-  void OnTimeout();
-
-  // Handles timing out requests.
-  base::OneShotTimer timer_;
-
-  // The URL for the sync server's event RPC.
-  const GURL sync_event_url_;
-
-  // The user agent for the browser.
-  const std::string user_agent_;
-
-  // Stored to simplify the API; needed for URLFetcher::Create().
-  scoped_refptr<net::URLRequestContextGetter> request_context_;
-
-  // The current URLFetcher. Null unless a request is in progress.
-  std::unique_ptr<net::URLFetcher> fetcher_;
-
-  // A callback for request completion or timeout.
-  ResultCallback callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(SyncStoppedReporter);
-};
-
-}  // namespace browser_sync
-
-#endif  // COMPONENTS_SYNC_DRIVER_SYNC_STOPPED_REPORTER_H_