IndexedDB: IndexedDBDatabase::Create() returning db/status tuple.

content/browser/indexed_db/indexed_db_database.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_DATABASE_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <list>
 #include <map>
 #include <memory>
 #include <queue>
 #include <string>
+#include <tuple>
 #include <utility>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "content/browser/indexed_db/indexed_db.h"
 #include "content/browser/indexed_db/indexed_db_backing_store.h"
 #include "content/browser/indexed_db/indexed_db_callbacks.h"
 #include "content/browser/indexed_db/indexed_db_observer.h"
 #include "content/browser/indexed_db/indexed_db_pending_connection.h"
@@ skipping 20 matching lines @@
 
 class CONTENT_EXPORT IndexedDBDatabase
     : NON_EXPORTED_BASE(public base::RefCounted<IndexedDBDatabase>) {
  public:
   // Identifier is pair of (origin, database name).
   using Identifier = std::pair<url::Origin, base::string16>;
 
   static const int64_t kInvalidId = 0;
   static const int64_t kMinimumIndexId = 30;
 
-  static scoped_refptr<IndexedDBDatabase> Create(
+  static std::tuple<scoped_refptr<IndexedDBDatabase>, leveldb::Status> Create(
       const base::string16& name,
       IndexedDBBackingStore* backing_store,
       IndexedDBFactory* factory,
-      const Identifier& unique_identifier,
-      leveldb::Status* s);
+      const Identifier& unique_identifier);
 
   const Identifier& identifier() const { return identifier_; }
   IndexedDBBackingStore* backing_store() { return backing_store_.get(); }
 
   int64_t id() const { return metadata_.id; }
   const base::string16& name() const { return metadata_.name; }
 
   void AddObjectStore(const IndexedDBObjectStoreMetadata& metadata,
                       int64_t new_max_object_store_id);
   void RemoveObjectStore(int64_t object_store_id);
@@ skipping 274 matching lines @@
   // is executing. It prevents rentrant calls if the active request completes
   // synchronously.
   bool processing_pending_requests_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBDatabase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_H_