Fix namespace for AsyncSocketIoHandler.

base/async_socket_io_handler_posix.cc

 // Copyright 2013 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 "base/async_socket_io_handler.h"
 
 #include <fcntl.h>
 
 #include "base/posix/eintr_wrapper.h"
 
-namespace media {
+namespace base {
 
 AsyncSocketIoHandler::AsyncSocketIoHandler()
     : socket_(base::SyncSocket::kInvalidHandle),
       pending_buffer_(NULL),
       pending_buffer_len_(0),
       is_watching_(false) {
 }
 
 AsyncSocketIoHandler::~AsyncSocketIoHandler() {
   DCHECK(CalledOnValidThread());
@@ skipping 66 matching lines @@
 
 void AsyncSocketIoHandler::EnsureWatchingSocket() {
   DCHECK(CalledOnValidThread());
   if (!is_watching_ && socket_ != base::SyncSocket::kInvalidHandle) {
     is_watching_ = base::MessageLoopForIO::current()->WatchFileDescriptor(
         socket_, true, base::MessageLoopForIO::WATCH_READ,
         &socket_watcher_, this);
   }
 }
 
-}  // namespace media.
+}  // namespace base.