[Offline pages] Updating RequestQueue::RemoveRequests to use a TaskQueue

components/offline_pages/background/request_picker.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/background/request_picker.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "components/offline_pages/background/save_page_request.h"
 
@@ skipping 237 matching lines @@
       expired_requests->push_back(std::move(request));
     } else {
       valid_requests->push_back(std::move(request));
     }
   }
 }
 
 // Callback used after expired requests are deleted from the queue and notifies
 // the coordinator.
 void RequestPicker::OnRequestExpired(
-    const RequestQueue::UpdateMultipleRequestResults& results,
-    const std::vector<std::unique_ptr<SavePageRequest>> requests) {
-    for (const auto& request : requests) {
-    const RequestCoordinator::BackgroundSavePageResult result(
-        RequestCoordinator::BackgroundSavePageResult::EXPIRED);
+    std::unique_ptr<UpdateRequestsResult> result) {
+  const RequestCoordinator::BackgroundSavePageResult save_page_result(
+      RequestCoordinator::BackgroundSavePageResult::EXPIRED);
+  for (const auto& request : result->updated_items) {
     event_logger_->RecordDroppedSavePageRequest(
-        request->client_id().name_space, result,
-        request->request_id());
-    notifier_->NotifyCompleted(*request, result);
+        request.client_id().name_space, save_page_result, request.request_id());
+    notifier_->NotifyCompleted(request, save_page_result);
   }
 }
 
 }  // namespace offline_pages