base::Bind: Convert most of net/http.

net/socket/socks_client_socket_pool.cc

Index: net/socket/socks_client_socket_pool.cc
diff --git a/net/socket/socks_client_socket_pool.cc b/net/socket/socks_client_socket_pool.cc
index ec47341afb88e1d4ed86a23b13fccc122be25a35..b492be1849bc299742db467eef6548bafa9cfedb 100644
--- a/net/socket/socks_client_socket_pool.cc
+++ b/net/socket/socks_client_socket_pool.cc
@@ -210,12 +210,10 @@ SOCKSClientSocketPool::~SOCKSClientSocketPool() {
     transport_pool_->RemoveLayeredPool(this);
 }
 
-int SOCKSClientSocketPool::RequestSocket(const std::string& group_name,
-                                         const void* socket_params,
-                                         RequestPriority priority,
-                                         ClientSocketHandle* handle,
-                                         OldCompletionCallback* callback,
-                                         const BoundNetLog& net_log) {
+int SOCKSClientSocketPool::RequestSocket(
+    const std::string& group_name, const void* socket_params,
+    RequestPriority priority, ClientSocketHandle* handle,
+    const CompletionCallback& callback, const BoundNetLog& net_log) {
   const scoped_refptr<SOCKSSocketParams>* casted_socket_params =
       static_cast<const scoped_refptr<SOCKSSocketParams>*>(socket_params);