Don't whitelist extensions for geolocation.

chrome/browser/content_settings/host_content_settings_map.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
@@ skipping 371 matching lines @@
         content_settings::ValueToContentSetting(rule.value.get()),
         kProviderNames[provider_type],
         incognito));
   }
 }
 
 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);
   }
   return primary_url.SchemeIs(chrome::kChromeDevToolsScheme) ||
          primary_url.SchemeIs(chrome::kChromeInternalScheme) ||
          primary_url.SchemeIs(chrome::kChromeUIScheme);
 }
 
 base::Value* HostContentSettingsMap::GetWebsiteSetting(
@@ skipping 38 matching lines @@
     }
   }
 
   if (info) {
     info->source = content_settings::SETTING_SOURCE_NONE;
     info->primary_pattern = ContentSettingsPattern();
     info->secondary_pattern = ContentSettingsPattern();
   }
   return NULL;
 }