Disallow redundant Bind calls.

components/offline_pages/background/request_queue_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/background/request_queue_store_sql.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
@@ skipping 422 matching lines @@
 RequestQueueStoreSQL::~RequestQueueStoreSQL() {
   if (db_.get())
     background_task_runner_->DeleteSoon(FROM_HERE, db_.release());
 }
 
 bool RequestQueueStoreSQL::CheckDb(const base::Closure& callback) {
   DCHECK(db_.get());
   if (!db_.get()) {
     // Nothing to do, but post a callback instead of calling directly
     // to preserve the async style behavior to prevent bugs.
-    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
-                                                  base::Bind(callback));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
     return false;
   }
   return true;
 }
 
 void RequestQueueStoreSQL::GetRequests(const GetRequestsCallback& callback) {
   DCHECK(db_.get());
   std::vector<std::unique_ptr<SavePageRequest>> requests;
   if (!CheckDb(base::Bind(callback, false, base::Passed(&requests))))
     return;
@@ skipping 100 matching lines @@
 }
 
 void RequestQueueStoreSQL::OnResetDone(const ResetCallback& callback,
                                        bool success) {
   // Complete connection initialization post reset.
   OnOpenConnectionDone(success);
   callback.Run(success);
 }
 
 }  // namespace offline_pages