Disallow redundant Bind calls.

components/offline_pages/background/request_queue_store_sql.cc

Index: components/offline_pages/background/request_queue_store_sql.cc
diff --git a/components/offline_pages/background/request_queue_store_sql.cc b/components/offline_pages/background/request_queue_store_sql.cc
index 149744910e9d3c3ea5d485b310cbc9fd2b75e95e..a921af19027fed5cb1eb912b6e78343b663c5658 100644
--- a/components/offline_pages/background/request_queue_store_sql.cc
+++ b/components/offline_pages/background/request_queue_store_sql.cc
@@ -369,8 +369,7 @@ bool RequestQueueStoreSQL::CheckDb(const base::Closure& callback) {
   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;