Disallow redundant Bind calls.

components/offline_pages/offline_page_metadata_store_sql.cc

 // Copyright 2016 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.
 
 #include "components/offline_pages/offline_page_metadata_store_sql.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
@@ skipping 478 matching lines @@
 
 void OfflinePageMetadataStoreSQL::OnResetDone(const ResetCallback& callback,
                                               StoreState state) {
   OnOpenConnectionDone(state);
   callback.Run(state == LOADED);
 }
 
 bool OfflinePageMetadataStoreSQL::CheckDb(const base::Closure& callback) {
   DCHECK(db_.get());
   if (!db_.get()) {
-    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
-                                                  base::Bind(callback));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
     return false;
   }
   return true;
 }
 
 }  // namespace offline_pages