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

components/offline_pages/background/request_coordinator.cc

Index: components/offline_pages/background/request_coordinator.cc
diff --git a/components/offline_pages/background/request_coordinator.cc b/components/offline_pages/background/request_coordinator.cc
index 1138909ac2e1abee9de1c9f3e09ce1c09fdb807b..0cb161996851d3e0925be5e99ed2f7df3f624d80 100644
--- a/components/offline_pages/background/request_coordinator.cc
+++ b/components/offline_pages/background/request_coordinator.cc
@@ -314,18 +314,16 @@ void RequestCoordinator::UpdateMultipleRequestsCallback(
 void RequestCoordinator::HandleRemovedRequestsAndCallback(
     const RemoveRequestsCallback& callback,
     BackgroundSavePageResult status,
-    const RequestQueue::UpdateMultipleRequestResults& results,
-    std::vector<std::unique_ptr<SavePageRequest>> requests) {
-  callback.Run(results);
-  HandleRemovedRequests(status, results, std::move(requests));
+    std::unique_ptr<UpdateRequestsResult> result) {
+  callback.Run(result->item_statuses);
+  HandleRemovedRequests(status, std::move(result));
 }
 
 void RequestCoordinator::HandleRemovedRequests(
     BackgroundSavePageResult status,
-    const RequestQueue::UpdateMultipleRequestResults& results,
-    std::vector<std::unique_ptr<SavePageRequest>> requests) {
-  for (const auto& request : requests)
-    NotifyCompleted(*request, status);
+    std::unique_ptr<UpdateRequestsResult> result) {
+  for (const auto& request : result->updated_items)
+    NotifyCompleted(request, status);
 }
 
 void RequestCoordinator::ScheduleAsNeeded() {