Replace void* with int32 for passing download_id to SelectFileDialog::Listener.

content/shell/shell_download_manager_delegate.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_SHELL_SHELL_DOWNLOAD_MANAGER_DELEGATE_H_
 #define CONTENT_SHELL_SHELL_DOWNLOAD_MANAGER_DELEGATE_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
@@ skipping 10 matching lines @@
       public base::RefCountedThreadSafe<ShellDownloadManagerDelegate> {
  public:
   ShellDownloadManagerDelegate();
 
   void SetDownloadManager(DownloadManager* manager);
 
   virtual DownloadId GetNextId() OVERRIDE;
   virtual bool ShouldStartDownload(int32 download_id) OVERRIDE;
   virtual void ChooseDownloadPath(WebContents* web_contents,
                                   const FilePath& suggested_path,
-                                  void* data) OVERRIDE;
+                                  int32 download_id) OVERRIDE;
 
  private:
   friend class base::RefCountedThreadSafe<ShellDownloadManagerDelegate>;
 
   virtual ~ShellDownloadManagerDelegate();
 
   void GenerateFilename(int32 download_id,
                         DownloadStateInfo state,
                         const FilePath& generated_name);
   void RestartDownload(int32 download_id,
                        DownloadStateInfo state);
 
   DownloadManager* download_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellDownloadManagerDelegate);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_SHELL_DOWNLOAD_MANAGER_DELEGATE_H_