Revert of service worker: Don't control a subframe of an insecure context

content/public/browser/content_browser_client.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 CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 578 matching lines @@
 
   // Returns an implementation of a file selecition policy. Can return nullptr.
   virtual ui::SelectFilePolicy* CreateSelectFilePolicy(
       WebContents* web_contents);
 
   // Returns additional allowed scheme set which can access files in
   // FileSystem API.
   virtual void GetAdditionalAllowedSchemesForFileSystem(
       std::vector<std::string>* additional_schemes) {}
 
-  // |schemes| is a return value parameter that gets a whitelist of schemes that
-  // should bypass the Is Privileged Context check.
-  // See http://www.w3.org/TR/powerful-features/#settings-privileged
-  virtual void GetSchemesBypassingSecureContextCheckWhitelist(
-      std::set<std::string>* schemes) {}
-
   // Returns auto mount handlers for URL requests for FileSystem APIs.
   virtual void GetURLRequestAutoMountHandlers(
       std::vector<storage::URLRequestAutoMountHandler>* handlers) {}
 
   // Returns additional file system backends for FileSystem API.
   // |browser_context| is needed in the additional FileSystemBackends.
   // It has mount points to create objects returned by additional
   // FileSystemBackends, and SpecialStoragePolicy for permission granting.
   virtual void GetAdditionalFileSystemBackends(
       BrowserContext* browser_context,
@@ skipping 163 matching lines @@
   // Allows an embedder to provide its own ExternalVideoSurfaceContainer
   // implementation.  Return nullptr to disable external surface video.
   virtual ExternalVideoSurfaceContainer*
   OverrideCreateExternalVideoSurfaceContainer(WebContents* web_contents);
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_