Reconcile the request queue on startup.

components/offline_pages/core/background/cleanup_task.cc

 // 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.
 
 #include "components/offline_pages/core/background/cleanup_task.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "components/offline_pages/core/background/offliner_policy.h"
 #include "components/offline_pages/core/background/offliner_policy_utils.h"
@@ skipping 70 matching lines @@
     std::vector<std::unique_ptr<SavePageRequest>> requests,
     std::vector<int64_t>* expired_request_ids) {
   for (auto& request : requests) {
     // Check for requests past their expiration time or with too many tries.  If
     // it is not still valid, push the request and the reason onto the deletion
     // list.
     OfflinerPolicyUtils::RequestExpirationStatus status =
         OfflinerPolicyUtils::CheckRequestExpirationStatus(request.get(),
                                                           policy_);
 
-    // TODO(petewil): The strategy of checking the state below relies on a
-    // reconciliation task, so at startup we convert any OFFLINING requests to
-    // AVAILABLE.  Otherwise, requests in the OFFLINING state when chromium dies
-    // will never be cleaned up.
-
     // If we are not working on this request in an offliner, and it is not
     // valid, put it on a list for removal.  We make the exception for current
     // requests because the request might expire after being chosen and before
     // we call cleanup, and we shouldn't delete the request while offlining it.
     if (status != OfflinerPolicyUtils::RequestExpirationStatus::VALID &&
         request->request_state() != SavePageRequest::RequestState::OFFLINING) {
       // TODO(petewil): Push both request and reason, will need to change type
       // of list to pairs.
       expired_request_ids->push_back(request->request_id());
     }
   }
 }
 
 }  // namespace offline_pages