Remove deprecated CONTENT_SETTINGS_TYPE_METRO_SWITCH_TO_DESKTOP content setting

components/content_settings/core/browser/website_settings_registry.cc

 // Copyright 2015 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 "components/content_settings/core/browser/website_settings_registry.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "components/content_settings/core/common/content_settings.h"
 
@@ skipping 67 matching lines @@
   RegisterWebsiteSetting(CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
                          "auto-select-certificate");
   RegisterWebsiteSetting(CONTENT_SETTINGS_TYPE_SSL_CERT_DECISIONS,
                          "ssl-cert-decisions");
   RegisterWebsiteSetting(CONTENT_SETTINGS_TYPE_APP_BANNER, "app-banner");
   RegisterWebsiteSetting(CONTENT_SETTINGS_TYPE_SITE_ENGAGEMENT,
                          "site-engagement");
 
   // Deprecated.
   RegisterWebsiteSetting(CONTENT_SETTINGS_TYPE_MEDIASTREAM, "media-stream");
-#if defined(OS_WIN)
-  RegisterContentSetting(CONTENT_SETTINGS_TYPE_METRO_SWITCH_TO_DESKTOP,
-                         "metro-switch-to-desktop", CONTENT_SETTING_ASK);
-#endif
 }
 
 WebsiteSettingsRegistry::~WebsiteSettingsRegistry() {}
 
 const WebsiteSettingsInfo* WebsiteSettingsRegistry::Get(
     ContentSettingsType type) const {
   DCHECK_GE(type, 0);
   DCHECK_LT(type, static_cast<int>(website_settings_info_.size()));
   return website_settings_info_[type];
 }
@@ skipping 23 matching lines @@
 }
 
 void WebsiteSettingsRegistry::StoreWebsiteSettingsInfo(
     WebsiteSettingsInfo* info) {
   DCHECK_GE(info->type(), 0);
   DCHECK_LT(info->type(), static_cast<int>(website_settings_info_.size()));
   website_settings_info_[info->type()] = info;
 }
 
 }  // namespace content_settings