Remove per-tab preference machinery.

webkit/glue/webpreferences.cc

 // Copyright (c) 2012 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 "webkit/glue/webpreferences.h"
 
 #include <unicode/uchar.h>
 
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 37 matching lines @@
       developer_extras_enabled(false),  // Requires extra work by embedder
       site_specific_quirks_enabled(false),
       shrinks_standalone_images_to_fit(true),
       uses_universal_detector(false),  // Disabled: page cycler regression
       text_areas_are_resizable(true),
       java_enabled(true),
       allow_scripts_to_close_windows(false),
       uses_page_cache(false),
       remote_fonts_enabled(true),
       javascript_can_access_clipboard(false),
-      xss_auditor_enabled(true),
+      xss_auditor_enabled(false),
       dns_prefetching_enabled(true),
       local_storage_enabled(false),
       databases_enabled(false),
       application_cache_enabled(false),
       tabs_to_links(true),
       caret_browsing_enabled(false),
       hyperlink_auditing_enabled(true),
       is_online(true),
       user_style_sheet_enabled(false),
       author_and_user_styles_enabled(true),
@@ skipping 279 matching lines @@
       hixie76_websocket_protocol_enabled);
   settings->setVisualWordMovementEnabled(visual_word_movement_enabled);
 
   // Enable per-tile painting if requested on the command line.
   settings->setPerTilePaintingEnabled(per_tile_painting_enabled);
 
   settings->setExperimentalCSSRegionsEnabled(css_regions_enabled);
 
   WebNetworkStateNotifier::setOnLine(is_online);
 }