Get rid of user-level styles.

webkit/common/webpreferences.h

 // Copyright 2013 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.
 //
 // A struct for managing webkit's settings.
 //
 // Adding new values to this class probably involves updating
 // blink::WebSettings, content/common/view_messages.h, browser/tab_contents/
 // render_view_host_delegate_helper.cc, and browser/profiles/profile.cc.
 
@@ skipping 73 matching lines @@
   // we disable the feature at a lower layer so that we catch non-WebKit uses
   // of DNS prefetch as well.
   bool dns_prefetching_enabled;
   bool local_storage_enabled;
   bool databases_enabled;
   bool application_cache_enabled;
   bool tabs_to_links;
   bool caret_browsing_enabled;
   bool hyperlink_auditing_enabled;
   bool is_online;
-  bool user_style_sheet_enabled;
-  GURL user_style_sheet_location;
   bool allow_universal_access_from_file_urls;
   bool allow_file_access_from_file_urls;
   bool webaudio_enabled;
   bool experimental_webgl_enabled;
   bool flash_3d_enabled;
   bool flash_stage3d_enabled;
   bool flash_stage3d_baseline_enabled;
   bool gl_multisampling_enabled;
   bool privileged_webgl_extensions_enabled;
   bool webgl_errors_to_console_enabled;
@@ skipping 79 matching lines @@
 #endif
 
   // We try to keep the default values the same as the default values in
   // chrome, except for the cases where it would require lots of extra work for
   // the embedder to use the same default value.
   WebPreferences();
   ~WebPreferences();
 };
 
 #endif  // WEBKIT_COMMON_WEBPREFERENCES_H__