GData save package support with MHTML.

chrome/browser/chromeos/gdata/gdata_download_observer.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 CHROME_BROWSER_CHROMEOS_GDATA_GDATA_DOWNLOAD_OBSERVER_H__
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_DOWNLOAD_OBSERVER_H__
 #pragma once
 
 #include <map>
 
@@ skipping 36 matching lines @@
   // check if the download is ready to complete.
   static bool IsReadyToComplete(content::DownloadItem* download);
 
   // Returns the count of bytes confirmed as uploaded so far for |download|.
   static int64 GetUploadedBytes(content::DownloadItem* download);
 
   // Returns the progress of the upload of |download| as a percentage. If the
   // progress is unknown, returns -1.
   static int PercentComplete(content::DownloadItem* download);
 
+  // Create a temporary file |gdata_tmp_download_path| in
+  // |gdata_tmp_download_dir|. Must be called on a thread that allows file
+  // operations.
+  static void GetGDataTempDownloadPath(const FilePath& gdata_tmp_download_dir,
+                                       FilePath* gdata_tmp_download_path);
+
  private:
   // Gets the gdata_path from external data in |download|.
   // GetGDataPath may return an empty path in case SetGDataPath was not
   // previously called or there was some other internal error
   // (there is a DCHECK for this).
   static FilePath GetGDataPath(content::DownloadItem* download);
 
   // DownloadManager overrides.
   virtual void ManagerGoingDown(content::DownloadManager* manager) OVERRIDE;
   virtual void ModelChanged(content::DownloadManager* manager) OVERRIDE;
@@ skipping 42 matching lines @@
 
   // Temporary download location directory.
   FilePath temp_download_path_;
 
   DISALLOW_COPY_AND_ASSIGN(GDataDownloadObserver);
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_DOWNLOAD_OBSERVER_H__