Move chrome/browser/chromeos/geolocation to chromeos/geolocation

chrome/browser/chromeos/geolocation/simple_geolocation_request.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 CHROME_BROWSER_CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_REQUEST_H_
-#define CHROME_BROWSER_CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_REQUEST_H_
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/compiler_specific.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/threading/thread_checker.h"
-#include "base/timer/timer.h"
-#include "chrome/browser/chromeos/geolocation/geoposition.h"
-#include "net/url_request/url_fetcher.h"
-#include "net/url_request/url_fetcher_delegate.h"
-#include "url/gurl.h"
-
-namespace net {
-class URLRequestContextGetter;
-}
-
-namespace chromeos {
-
-// Sends request to a server to get local geolocation information.
-// It performs formatting of the request and interpretation of the response.
-// Request is owned and destroyed by caller (usually SimpleGeolocationProvider).
-// - If error occurs, request is retried until timeout.
-// - On successul response, callback is called.
-// - On timeout, callback with last (failed) position is called.
-// (position.status is set to STATUS_TIMEOUT.)
-// - If request is destroyed while callback has not beed called yet, request
-// is silently cancelled.
-class SimpleGeolocationRequest : private net::URLFetcherDelegate {
- public:
-  // Called when a new geo geolocation information is available.
-  // The second argument indicates whether there was a server error or not.
-  // It is true when there was a server or network error - either no response
-  // or a 500 error code.
-  typedef base::Callback<void(const Geoposition& /* position*/,
-                              bool /* server_error */,
-                              const base::TimeDelta elapsed)> ResponseCallback;
-
-  // |url| is the server address to which the request wil be sent.
-  // |timeout| retry request on error until timeout.
-  SimpleGeolocationRequest(net::URLRequestContextGetter* url_context_getter,
-                           const GURL& service_url,
-                           base::TimeDelta timeout);
-
-  virtual ~SimpleGeolocationRequest();
-
-  // Initiates request.
-  // Note: if request object is destroyed before callback is called,
-  // request will be silently cancelled.
-  void MakeRequest(const ResponseCallback& callback);
-
-  void set_retry_sleep_on_server_error_for_testing(
-      const base::TimeDelta value) {
-    retry_sleep_on_server_error_ = value;
-  }
-
-  void set_retry_sleep_on_bad_response_for_testing(
-      const base::TimeDelta value) {
-    retry_sleep_on_bad_response_ = value;
-  }
-
- private:
-  // net::URLFetcherDelegate
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) override;
-
-  // Start new request.
-  void StartRequest();
-
-  // Schedules retry.
-  void Retry(bool server_error);
-
-  // Run callback and destroy "this".
-  void ReplyAndDestroySelf(const base::TimeDelta elapsed, bool server_error);
-
-  // Called by timeout_timer_ .
-  void OnTimeout();
-
-  scoped_refptr<net::URLRequestContextGetter> url_context_getter_;
-
-  // Service URL from constructor arguments.
-  const GURL service_url_;
-
-  ResponseCallback callback_;
-
-  // Actual URL with parameters.
-  GURL request_url_;
-
-  scoped_ptr<net::URLFetcher> url_fetcher_;
-
-  // When request was actually started.
-  base::Time request_started_at_;
-
-  base::TimeDelta retry_sleep_on_server_error_;
-
-  base::TimeDelta retry_sleep_on_bad_response_;
-
-  const base::TimeDelta timeout_;
-
-  // Pending retry.
-  base::OneShotTimer<SimpleGeolocationRequest> request_scheduled_;
-
-  // Stop request on timeout.
-  base::OneShotTimer<SimpleGeolocationRequest> timeout_timer_;
-
-  // Number of retry attempts.
-  unsigned retries_;
-
-  // This is updated on each retry.
-  Geoposition position_;
-
-  // Creation and destruction should happen on the same thread.
-  base::ThreadChecker thread_checker_;
-
-  DISALLOW_COPY_AND_ASSIGN(SimpleGeolocationRequest);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_REQUEST_H_