Remove the force_session cookie option, as it's not used anymore

chrome/browser/ui/views/cookie_info_view.cc

Index: chrome/browser/ui/views/cookie_info_view.cc
diff --git a/chrome/browser/ui/views/cookie_info_view.cc b/chrome/browser/ui/views/cookie_info_view.cc
index 758acf8a081924487271347f3c898b835784d774..0b930d2eb6433cd77370c4de2c5fcad32a6a7831 100644
--- a/chrome/browser/ui/views/cookie_info_view.cc
+++ b/chrome/browser/ui/views/cookie_info_view.cc
@@ -68,13 +68,13 @@ void CookieInfoView::SetCookie(
   created_value_field_->SetText(
       base::TimeFormatFriendlyDateAndTime(cookie.CreationDate()));
 
-  string16 expire_text = cookie.DoesExpire() ?
+  string16 expire_text = cookie.IsPersistent() ?
       base::TimeFormatFriendlyDateAndTime(cookie.ExpiryDate()) :
       l10n_util::GetStringUTF16(IDS_COOKIES_COOKIE_EXPIRES_SESSION);
 
   if (editable_expiration_date_) {
     expire_combo_values_.clear();
-    if (cookie.DoesExpire())
+    if (cookie.IsPersistent())
       expire_combo_values_.push_back(expire_text);
     expire_combo_values_.push_back(
         l10n_util::GetStringUTF16(IDS_COOKIES_COOKIE_EXPIRES_SESSION));