Transform RefCountedDeleteOnMessageLoop to RefCountedDeleteOnSequence.

components/webdata/common/web_database_backend.h

 // Copyright 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 COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_BACKEND_H_
 #define COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_BACKEND_H_
 
 #include <memory>
 
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/ref_counted_delete_on_message_loop.h"
+#include "base/memory/ref_counted_delete_on_sequence.h"
 #include "base/memory/scoped_vector.h"
 #include "base/single_thread_task_runner.h"
 #include "components/webdata/common/web_database_service.h"
 #include "components/webdata/common/webdata_export.h"
 
 class WebDatabase;
 class WebDatabaseTable;
 class WebDataRequest;
 class WebDataRequestManager;
 
 // WebDatabaseBackend handles all database tasks posted by
 // WebDatabaseService. It is refcounted to allow asynchronous destruction on the
 // DB thread.
 
 class WEBDATA_EXPORT WebDatabaseBackend
-    : public base::RefCountedDeleteOnMessageLoop<WebDatabaseBackend> {
+    : public base::RefCountedDeleteOnSequence<WebDatabaseBackend> {
  public:
   class Delegate {
    public:
     virtual ~Delegate() {}
 
     // Invoked when the backend has finished loading the db.
     // |status| is the result of initializing the db.
     // |diagnostics| contains diagnostic information about the db, and it will
     // only be populated when an error occurs.
     virtual void DBLoaded(sql::InitStatus status,
@@ skipping 29 matching lines @@
   std::unique_ptr<WDTypedResult> ExecuteReadTask(
       const WebDatabaseService::ReadTask& task);
 
   const scoped_refptr<WebDataRequestManager>& request_manager() {
     return request_manager_;
   }
 
   WebDatabase* database() { return db_.get(); }
 
  protected:
-  friend class base::RefCountedDeleteOnMessageLoop<WebDatabaseBackend>;
+  friend class base::RefCountedDeleteOnSequence<WebDatabaseBackend>;
   friend class base::DeleteHelper<WebDatabaseBackend>;
 
   virtual ~WebDatabaseBackend();
 
  private:
   // Opens the database file from the profile path if an init has not yet been
   // attempted. Separated from the constructor to ease construction/destruction
   // of this object on one thread but database access on the DB thread.
   void LoadDatabaseIfNecessary();
 
@@ skipping 37 matching lines @@
   // diagnostic information.
   std::string diagnostics_;
 
   // Delegate. See the class definition above for more information.
   std::unique_ptr<Delegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(WebDatabaseBackend);
 };
 
 #endif  // COMPONENTS_WEBDATA_COMMON_WEB_DATABASE_BACKEND_H_