Don't whitelist extensions for geolocation.

chrome/browser/content_settings/host_content_settings_map.cc

Index: chrome/browser/content_settings/host_content_settings_map.cc
diff --git a/chrome/browser/content_settings/host_content_settings_map.cc b/chrome/browser/content_settings/host_content_settings_map.cc
index 6aa63b0b6587d9a34a9105b5edb378529de6c226..b0baa0425bf6024d7d1ca7959f192a8d9a8dfac3 100644
--- a/chrome/browser/content_settings/host_content_settings_map.cc
+++ b/chrome/browser/content_settings/host_content_settings_map.cc
@@ -389,8 +389,10 @@ bool HostContentSettingsMap::ShouldAllowAllContent(
     const GURL& primary_url,
     const GURL& secondary_url,
     ContentSettingsType content_type) {
-  if (content_type == CONTENT_SETTINGS_TYPE_NOTIFICATIONS)
+  if (content_type == CONTENT_SETTINGS_TYPE_NOTIFICATIONS ||
+      content_type == CONTENT_SETTINGS_TYPE_GEOLOCATION) {
     return false;
+  }
   if (primary_url.SchemeIs(chrome::kExtensionScheme)) {
     return content_type != CONTENT_SETTINGS_TYPE_COOKIES ||
         secondary_url.SchemeIs(chrome::kExtensionScheme);