Disallow redundant Bind calls.

chrome/browser/extensions/api/dial/dial_service.cc

Index: chrome/browser/extensions/api/dial/dial_service.cc
diff --git a/chrome/browser/extensions/api/dial/dial_service.cc b/chrome/browser/extensions/api/dial/dial_service.cc
index 87d0ab4fecc57049ba68358e3d4b718cc1f46a50..06c7d0cc19b7b1e3a827ef8f1506df506f332520 100644
--- a/chrome/browser/extensions/api/dial/dial_service.cc
+++ b/chrome/browser/extensions/api/dial/dial_service.cc
@@ -449,8 +449,8 @@ void DialServiceImpl::StartDiscovery() {
 #else
   BrowserThread::PostTaskAndReplyWithResult(
       BrowserThread::FILE, FROM_HERE, base::Bind(&GetNetworkListOnFileThread),
-      base::Bind(base::Bind(&DialServiceImpl::SendNetworkList,
-                            weak_factory_.GetWeakPtr())));
+      base::Bind(&DialServiceImpl::SendNetworkList,
+                 weak_factory_.GetWeakPtr()));
 #endif
 }