Indexed DB: Use BindOnce / OnceCallback / OnceClosure where applicable

content/browser/indexed_db/indexed_db_transaction.h

 // Copyright (c) 2013 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 CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 16 matching lines @@
 #include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBTypes.h"
 
 namespace content {
 
 class BlobWriteCallbackImpl;
 class IndexedDBCursor;
 class IndexedDBDatabaseCallbacks;
 
 class CONTENT_EXPORT IndexedDBTransaction {
  public:
-  using Operation = base::Callback<leveldb::Status(IndexedDBTransaction*)>;
-  using AbortOperation = base::Closure;
+  using Operation = base::OnceCallback<leveldb::Status(IndexedDBTransaction*)>;
+  using AbortOperation = base::OnceClosure;
 
   enum State {
     CREATED,     // Created, but not yet started by coordinator.
     STARTED,     // Started by the coordinator.
     COMMITTING,  // In the process of committing, possibly waiting for blobs
                  // to be written.
     FINISHED,    // Either aborted or committed.
   };
 
   virtual ~IndexedDBTransaction();
 
   leveldb::Status Commit();
 
   // This object is destroyed by this method.
   void Abort(const IndexedDBDatabaseError& error);
 
   // Called by the transaction coordinator when this transaction is unblocked.
   void Start();
 
   // Grabs a snapshot from the database immediately, then starts the
   // transaction.
   void GrabSnapshotThenStart();
 
   blink::WebIDBTransactionMode mode() const { return mode_; }
   const std::set<int64_t>& scope() const { return object_store_ids_; }
 
   // Tasks cannot call Commit.
   void ScheduleTask(Operation task) {
-    ScheduleTask(blink::kWebIDBTaskTypeNormal, task);
+    ScheduleTask(blink::kWebIDBTaskTypeNormal, std::move(task));
   }
   void ScheduleTask(blink::WebIDBTaskType, Operation task);
   void ScheduleAbortTask(AbortOperation abort_task);
   void RegisterOpenCursor(IndexedDBCursor* cursor);
   void UnregisterOpenCursor(IndexedDBCursor* cursor);
   void AddPreemptiveEvent() { pending_preemptive_events_++; }
   void DidCompletePreemptiveEvent() {
     pending_preemptive_events_--;
     DCHECK_GE(pending_preemptive_events_, 0);
   }
@@ skipping 144 matching lines @@
   base::OneShotTimer timeout_timer_;
 
   Diagnostics diagnostics_;
 
   base::WeakPtrFactory<IndexedDBTransaction> ptr_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_H_