Add mime type information to the download database

content/browser/download/download_item_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_IMPL_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_IMPL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 38 matching lines @@
   // outlives the DownloadItemImpl.
 
   // Constructing from persistent store:
   // |bound_net_log| is constructed externally for our use.
   DownloadItemImpl(DownloadItemImplDelegate* delegate,
                    uint32 id,
                    const base::FilePath& current_path,
                    const base::FilePath& target_path,
                    const std::vector<GURL>& url_chain,
                    const GURL& referrer_url,
+                   const std::string& mime_type,
+                   const std::string& original_mime_type,
                    const base::Time& start_time,
                    const base::Time& end_time,
                    const std::string& etag,
                    const std::string& last_modified,
                    int64 received_bytes,
                    int64 total_bytes,
                    DownloadItem::DownloadState state,
                    DownloadDangerType danger_type,
                    DownloadInterruptReason interrupt_reason,
                    bool opened,
@@ skipping 482 matching lines @@
   const net::BoundNetLog bound_net_log_;
 
   base::WeakPtrFactory<DownloadItemImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItemImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_IMPL_H_