SessionRestore: Store session cookies and restore them if chrome crashes or auto-restarts.

chrome/browser/infobars/infobar_delegate.h

Index: chrome/browser/infobars/infobar_delegate.h
diff --git a/chrome/browser/infobars/infobar_delegate.h b/chrome/browser/infobars/infobar_delegate.h
index 22f8152e5f1c778119920fa87f5c476d32b5bcba..64e896b9cf7c9f4df810d0af3469166c479cc9fe 100644
--- a/chrome/browser/infobars/infobar_delegate.h
+++ b/chrome/browser/infobars/infobar_delegate.h
@@ -70,6 +70,9 @@ class InfoBarDelegate {
   // Called when the user clicks on the close button to dismiss the infobar.
   virtual void InfoBarDismissed();
 
+  // Called when the infobar is about to close.
+  virtual void InfoBarClosing();
+
   // Called after the InfoBar is closed. Deletes |this|.
   // TODO(pkasting): Get rid of this and delete delegates directly.
   void InfoBarClosed();