Update the Google Search geolocation disclosure to make it more obvious.

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..387903377d007bb999d716e56b9478cadf4bef0f 100644
--- a/components/infobars/core/infobar_delegate.cc
+++ b/components/infobars/core/infobar_delegate.cc
@@ -139,6 +139,11 @@ offline_pages::OfflinePageInfoBarDelegate*
 InfoBarDelegate::AsOfflinePageInfoBarDelegate() {
   return nullptr;
 }
+
+SearchGeolocationDisclosureInfoBarDelegate*
+InfoBarDelegate::AsSearchGeolocationDisclosureInfoBarDelegate() {
+  return nullptr;
+}
 #endif
 
 InfoBarDelegate::InfoBarDelegate() : nav_entry_id_(0) {