Use OAuth2 refresh token to download GAIA info

chrome/browser/profiles/profile_downloader_delegate.h

Index: chrome/browser/profiles/profile_downloader_delegate.h
diff --git a/chrome/browser/profiles/profile_downloader_delegate.h b/chrome/browser/profiles/profile_downloader_delegate.h
index 2a71a192bd9ce69b2ab2e47ffeef9bbea7625357..3a92940a392be6fcf1b71b14dc218bec53ca3241 100644
--- a/chrome/browser/profiles/profile_downloader_delegate.h
+++ b/chrome/browser/profiles/profile_downloader_delegate.h
@@ -27,6 +27,10 @@ class ProfileDownloaderDelegate {
   // Returns the browser profile associated with this download request.
   virtual Profile* GetBrowserProfile() = 0;
 
+  // Whether we should use an OAuth refresh token or the Picasa token from
+  // ClientLogin. The latter is currently used in ChromeOS.
+  virtual bool ShouldUseOAuthRefreshToken() = 0;
+
   // Called when the download is complete. On success delegate should query
   // the downloader for values.
   virtual void OnDownloadComplete(ProfileDownloader* downloader,