GTK: The cookie prompt should allow the user to set expire date for HTML cookies

chrome/browser/cookie_modal_dialog.h

Index: chrome/browser/cookie_modal_dialog.h
diff --git a/chrome/browser/cookie_modal_dialog.h b/chrome/browser/cookie_modal_dialog.h
index 8e1d5e49a62394afd4f8f987dc07e40e41230c9f..b8891ea40252b8bb47bc36599393a59b6b4b8ac8 100644
--- a/chrome/browser/cookie_modal_dialog.h
+++ b/chrome/browser/cookie_modal_dialog.h
@@ -133,6 +133,9 @@ class CookiePromptModalDialog : public AppModalDialog {
 #if defined(OS_LINUX)
   // The "remember this choice" radio button in the dialog.
   GtkWidget* remember_radio_;
+
+  // The cookie view; we keep this to querry the result combobox.
+  GtkWidget* cookie_view_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(CookiePromptModalDialog);