GData save package support with MHTML.

chrome/browser/chromeos/gdata/gdata_download_observer.h

Index: chrome/browser/chromeos/gdata/gdata_download_observer.h
===================================================================
--- chrome/browser/chromeos/gdata/gdata_download_observer.h	(revision 128869)
+++ chrome/browser/chromeos/gdata/gdata_download_observer.h	(working copy)
@@ -54,6 +54,9 @@
   // progress is unknown, returns -1.
   static int PercentComplete(content::DownloadItem* download);
 
+  static void GetGDataTempDownloadPath(const FilePath& gdata_tmp_download_dir,

[asanka, 2012/03/26 16:50:14]

Should mention here that it will create the temporary download path as well. And
it should be only be called from a thread that allows file I/O.

[achuithb, 2012/03/26 19:51:39]

Done.

+                                       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