Use a direct include of the message_loop header in net/, part 2.

net/socket/buffered_write_stream_socket.cc

 // Copyright (c) 2012 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 "net/socket/buffered_write_stream_socket.h"
 
 #include "base/bind.h"
 #include "base/location.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 
 namespace net {
 
 namespace {
 
 void AppendBuffer(GrowableIOBuffer* dst, IOBuffer* src, int src_len) {
   int old_capacity = dst->capacity();
   dst->SetCapacity(old_capacity + src_len);
@@ skipping 132 matching lines @@
     io_buffer_->set_offset(io_buffer_->offset() + result);
     if (io_buffer_->RemainingCapacity()) {
       DoDelayedWrite();
     } else {
       io_buffer_->SetCapacity(0);
     }
   }
 }
 
 }  // namespace net