Revert of chrome.webRequest support for ExtensionSettings

extensions/browser/api/web_request/web_request_permissions.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_PERMISSIONS_H_
 #define EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_PERMISSIONS_H_
 
 #include <map>
 #include <string>
 
 #include "base/macros.h"
-#include "base/optional.h"
 #include "extensions/common/permissions/permissions_data.h"
-#include "url/origin.h"
 
 class GURL;
 
 namespace extensions {
 class ExtensionNavigationUIData;
 class InfoMap;
 }
 
 namespace net {
 class URLRequest;
@@ skipping 17 matching lines @@
   static bool HideRequest(
       const extensions::InfoMap* extension_info_map,
       const net::URLRequest* request,
       extensions::ExtensionNavigationUIData* navigation_ui_data);
 
   // Helper function used only in tests, sets a variable which enables or
   // disables a CHECK.
   static void AllowAllExtensionLocationsInPublicSessionForTesting(bool value);
 
   // |host_permission_check| controls how permissions are checked with regard to
-  // |url| and |initiator| if an initiator exists.
+  // |url|.
   static extensions::PermissionsData::AccessType CanExtensionAccessURL(
       const extensions::InfoMap* extension_info_map,
       const std::string& extension_id,
       const GURL& url,
       int tab_id,
       bool crosses_incognito,
-      HostPermissionsCheck host_permissions_check,
-      const base::Optional<url::Origin>& initiator);
+      HostPermissionsCheck host_permissions_check);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(WebRequestPermissions);
 };
 
 #endif  // EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_PERMISSIONS_H_