net: Add NET_API to net/base

net/base/file_stream.h

 // Copyright (c) 2011 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.
 
 // This file defines FileStream, a basic interface for reading and writing files
 // synchronously or asynchronously with support for seeking to an offset.
 // Note that even when used asynchronously, only one operation is supported at
 // a time.
 
 #ifndef NET_BASE_FILE_STREAM_H_
 #define NET_BASE_FILE_STREAM_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/platform_file.h"
 #include "net/base/completion_callback.h"
+#include "net/base/net_api.h"
 
 class FilePath;
 
 namespace net {
 
 // TODO(darin): Move this to a more generic location.
 // This explicit mapping matches both FILE_ on Windows and SEEK_ on Linux.
 enum Whence {
   FROM_BEGIN   = 0,
   FROM_CURRENT = 1,
   FROM_END     = 2
 };
 
-class FileStream {
+class NET_API FileStream {
  public:
   FileStream();
 
   // Construct a FileStream with an existing file handle and opening flags.
   // |file| is valid file handle.
   // |flags| is a bitfield of base::PlatformFileFlags when the file handle was
   // opened.
   // The already opened file will not be automatically closed when FileStream
   // is destructed.
   FileStream(base::PlatformFile file, int flags);
@@ skipping 101 matching lines @@
   base::PlatformFile file_;
   int open_flags_;
   bool auto_closed_;
 
   DISALLOW_COPY_AND_ASSIGN(FileStream);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_FILE_STREAM_H_