prune down content_dll change to just the CONTENT_EXPORTS

content/browser/download/base_file.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 CONTENT_BROWSER_DOWNLOAD_BASE_FILE_H_
 #define CONTENT_BROWSER_DOWNLOAD_BASE_FILE_H_
 #pragma once
 
 #include <string>
 
 #include "base/file_path.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/power_save_blocker.h"
+#include "content/common/content_export.h"
 #include "googleurl/src/gurl.h"
 
 namespace crypto {
 class SecureHash;
 }
 namespace net {
 class FileStream;
 }
 
 // File being downloaded and saved to disk. This is a base class
 // for DownloadFile and SaveFile, which keep more state information.
-class BaseFile {
+class CONTENT_EXPORT BaseFile {
  public:
   BaseFile(const FilePath& full_path,
            const GURL& source_url,
            const GURL& referrer_url,
            int64 received_bytes,
            const linked_ptr<net::FileStream>& file_stream);
   virtual ~BaseFile();
 
   // If calculate_hash is true, sha256 hash will be calculated.
   bool Initialize(bool calculate_hash);
@@ skipping 66 matching lines @@
   unsigned char sha256_hash_[kSha256HashLen];
 
   // Indicates that this class no longer owns the associated file, and so
   // won't delete it on destruction.
   bool detached_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseFile);
 };
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_BASE_FILE_H_