Remove remaining dead code that was used to implement grouped permission drop downs

chrome/browser/permissions/grouped_permission_infobar_delegate_android.cc

Index: chrome/browser/permissions/grouped_permission_infobar_delegate_android.cc
diff --git a/chrome/browser/permissions/grouped_permission_infobar_delegate_android.cc b/chrome/browser/permissions/grouped_permission_infobar_delegate_android.cc
index fa742519a5b9aec29dd9cc88e0a02b56b6b04fd8..8fe60db0696f246a4c93f7aad42fb2139ab1acf5 100644
--- a/chrome/browser/permissions/grouped_permission_infobar_delegate_android.cc
+++ b/chrome/browser/permissions/grouped_permission_infobar_delegate_android.cc
@@ -52,13 +52,6 @@ base::string16 GroupedPermissionInfoBarDelegate::GetMessageTextFragment(
   return permission_prompt_->GetMessageTextFragment(position);
 }
 
-void GroupedPermissionInfoBarDelegate::ToggleAccept(size_t position,
-                                                    bool new_value) {
-  DCHECK_LT(position, PermissionCount());
-  if (permission_prompt_)
-    permission_prompt_->ToggleAccept(position, new_value);
-}
-
 base::string16 GroupedPermissionInfoBarDelegate::GetMessageText() const {
   return l10n_util::GetStringFUTF16(
       IDS_PERMISSIONS_BUBBLE_PROMPT,