[Offline pages] Applying TaskQueue to RequestQueue::ChangeRequestsState

components/offline_pages/background/request_queue_in_memory_store.cc

Index: components/offline_pages/background/request_queue_in_memory_store.cc
diff --git a/components/offline_pages/background/request_queue_in_memory_store.cc b/components/offline_pages/background/request_queue_in_memory_store.cc
index 1eb2cab972fb54d8746d3e7ece89bc789fb851f5..13ca6aee672fa27a2a45fe1f775e448eb7e77a2f 100644
--- a/components/offline_pages/background/request_queue_in_memory_store.cc
+++ b/components/offline_pages/background/request_queue_in_memory_store.cc
@@ -45,7 +45,7 @@ void RequestQueueInMemoryStore::AddRequest(const SavePageRequest& request,
 
 void RequestQueueInMemoryStore::UpdateRequests(
     const std::vector<SavePageRequest>& requests,
-    const UpdateCallback& callback) {
+    const RequestQueue::UpdateCallback& callback) {
   std::unique_ptr<UpdateRequestsResult> result(
       new UpdateRequestsResult(StoreState::LOADED));
 
@@ -96,35 +96,6 @@ void RequestQueueInMemoryStore::RemoveRequests(
       base::Bind(callback, results, base::Passed(std::move(requests))));
 }
 
-void RequestQueueInMemoryStore::ChangeRequestsState(
-    const std::vector<int64_t>& request_ids,
-    const SavePageRequest::RequestState new_state,
-    const UpdateMultipleRequestsCallback& callback) {
-  RequestQueue::UpdateMultipleRequestResults results;
-  std::vector<std::unique_ptr<SavePageRequest>> requests;
-  RequestQueue::UpdateRequestResult result;
-  for (int64_t request_id : request_ids) {
-    auto pair = requests_.find(request_id);
-    // If we find this request id, modify it, and return the modified request in
-    // the request list.
-    if (pair != requests_.end()) {
-      pair->second.set_request_state(new_state);
-      std::unique_ptr<SavePageRequest> request(
-          new SavePageRequest(pair->second));
-      requests.push_back(std::move(request));
-      result = RequestQueue::UpdateRequestResult::SUCCESS;
-    } else {
-      result = RequestQueue::UpdateRequestResult::REQUEST_DOES_NOT_EXIST;;
-    }
-
-    results.push_back(std::make_pair(request_id, result));
-  }
-
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
-      FROM_HERE,
-      base::Bind(callback, results, base::Passed(std::move(requests))));
-}
-
 void RequestQueueInMemoryStore::Reset(const ResetCallback& callback) {
   requests_.clear();
   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,