net: Add NET_API to net/base

net/base/auth.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.
 
 #ifndef NET_BASE_AUTH_H__
 #define NET_BASE_AUTH_H__
 #pragma once
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
+#include "net/base/net_api.h"
 
 namespace net {
 
 // Holds info about an authentication challenge that we may want to display
 // to the user.
-class AuthChallengeInfo :
+class NET_API AuthChallengeInfo :
     public base::RefCountedThreadSafe<AuthChallengeInfo> {
  public:
   AuthChallengeInfo();
 
   bool operator==(const AuthChallengeInfo& that) const;
 
   bool operator!=(const AuthChallengeInfo& that) const {
     return !(*this == that);
   }
 
@@ skipping 27 matching lines @@
   AuthData();
 
  private:
   friend class base::RefCountedThreadSafe<AuthData>;
   ~AuthData();
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_AUTH_H__