[Offline Pages] Moves Coordinator to using MarkAttemptStarted/MarkAttemptCompleted API.

components/offline_pages/background/save_page_request.h

 // Copyright 2016 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_OFFLINE_PAGES_BACKGROUND_SAVE_PAGE_REQUEST_H_
 #define COMPONENTS_OFFLINE_PAGES_BACKGROUND_SAVE_PAGE_REQUEST_H_
 
 #include <stdint.h>
 
 #include "base/time/time.h"
@@ skipping 32 matching lines @@
 
   // Status of this request.
   Status GetStatus(const base::Time& now) const;
 
   // Updates the |last_attempt_time_| and increments |attempt_count_|.
   void MarkAttemptStarted(const base::Time& start_time);
 
   // Marks attempt as completed and clears |last_attempt_time_|.
   void MarkAttemptCompleted();
 
+  // Marks attempt as aborted. Specifically it clears |last_attempt_time_|
+  // and decrements |attempt_count_|.
+  void MarkAttemptAborted();
+
   int64_t request_id() const { return request_id_; }
 
   const GURL& url() const { return url_; }
 
   const ClientId& client_id() const { return client_id_; }
 
   const base::Time& creation_time() const { return creation_time_; }
 
   const base::Time& activation_time() const { return activation_time_; }
 
@@ skipping 37 matching lines @@
   base::Time last_attempt_time_;
 
   // Whether the user specifically requested this page (as opposed to a client
   // like AGSA or Now.)
   bool user_requested_;
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_SAVE_PAGE_REQUEST_H_