Save Page As MHTML

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_
 #pragma once
 
 #include <string>
 
@@ skipping 87 matching lines @@
                    bool is_otr,
                    const net::BoundNetLog& bound_net_log);
 
   // Constructing for the "Save Page As..." feature:
   // |bound_net_log| is constructed externally for our use.
   DownloadItemImpl(Delegate* delegate,
                    const FilePath& path,
                    const GURL& url,
                    bool is_otr,
                    content::DownloadId download_id,
+                   const std::string& mime_type,

[Randy Smith (Not in Mondays), 2012/04/27 18:24:04]

How is this used?  I dug around and couldn't figure it out (at least not
easily).

[benjhayden, 2012/04/28 19:09:03]

GDataUploader::UploadFile() requires it to be not empty.

                    const net::BoundNetLog& bound_net_log);
 
   virtual ~DownloadItemImpl();
 
   // Overridden from DownloadItem.
   virtual void AddObserver(DownloadItem::Observer* observer) OVERRIDE;
   virtual void RemoveObserver(DownloadItem::Observer* observer) OVERRIDE;
   virtual void UpdateObservers() OVERRIDE;
   virtual bool CanShowInFolder() OVERRIDE;
   virtual bool CanOpenDownload() OVERRIDE;
@@ skipping 268 matching lines @@
   // are owned by the DownloadItemImpl.
   std::map<const void*, ExternalData*> external_data_map_;
 
   // Net log to use for this download.
   const net::BoundNetLog bound_net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItemImpl);
 };
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_IMPL_H_