Add PermissionPromptAndroid skeleton

components/infobars/core/infobar_delegate.cc

Index: components/infobars/core/infobar_delegate.cc
diff --git a/components/infobars/core/infobar_delegate.cc b/components/infobars/core/infobar_delegate.cc
index 4514ed59a763c081c2a6751bf276c5fcebf7e863..cfb8ebd937cbf176fba10e42cdcbdf722e669f88 100644
--- a/components/infobars/core/infobar_delegate.cc
+++ b/components/infobars/core/infobar_delegate.cc
@@ -79,6 +79,11 @@ ConfirmInfoBarDelegate* InfoBarDelegate::AsConfirmInfoBarDelegate() {
   return nullptr;
 }
 
+GroupedPermissionInfoBarDelegate*
+InfoBarDelegate::AsGroupedPermissionInfoBarDelegate() {
+  return nullptr;
+}
+
 HungRendererInfoBarDelegate* InfoBarDelegate::AsHungRendererInfoBarDelegate() {
   return nullptr;
 }