Revert of Fix re-usage of stale cached WebPreferences in RenderViewHost.

content/shell/renderer/layout_test/blink_test_helpers.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 "content/shell/renderer/layout_test/blink_test_helpers.h"
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 32 matching lines @@
   to->allow_file_access_from_file_urls = from.allow_file_access_from_file_urls;
   to->javascript_can_open_windows_automatically =
       from.java_script_can_open_windows_automatically;
   to->web_security_enabled =
       from.web_security_enabled;
   to->disable_reading_from_canvas = from.disable_reading_from_canvas;
   to->strict_mixed_content_checking =
       from.strict_mixed_content_checking;
   to->strict_powerful_feature_restrictions =
       from.strict_powerful_feature_restrictions;
-  to->spatial_navigation_enabled = from.spatial_navigation_enabled;
 }
 
 // Applies settings that differ between layout tests and regular mode. Some
 // of the defaults are controlled via command line flags which are
 // automatically set for layout tests.
 void ApplyLayoutTestDefaultPreferences(WebPreferences* prefs) {
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
   prefs->allow_universal_access_from_file_urls = true;
   prefs->dom_paste_enabled = true;
@@ skipping 45 matching lines @@
   prefs->default_maximum_page_scale_factor = 4.f;
 }
 
 base::FilePath GetWebKitRootDirFilePath() {
   base::FilePath base_path;
   PathService::Get(base::DIR_SOURCE_ROOT, &base_path);
   return base_path.Append(FILE_PATH_LITERAL("third_party/WebKit"));
 }
 
 }  // namespace content