Remove support for the keygen tag

content/public/browser/content_browser_client.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/public/browser/content_browser_client.h"
 
 #include "base/files/file_path.h"
 #include "base/guid.h"
 #include "build/build_config.h"
 #include "content/public/browser/client_certificate_delegate.h"
@@ skipping 193 matching lines @@
 }
 
 #if BUILDFLAG(ENABLE_WEBRTC)
 bool ContentBrowserClient::AllowWebRTCIdentityCache(const GURL& url,
                                                     const GURL& first_party_url,
                                                     ResourceContext* context) {
   return true;
 }
 #endif  // BUILDFLAG(ENABLE_WEBRTC)
 
-bool ContentBrowserClient::AllowKeygen(const GURL& url,
-                                       content::ResourceContext* context) {
-  return true;
-}
-
 ContentBrowserClient::AllowWebBluetoothResult
 ContentBrowserClient::AllowWebBluetooth(
     content::BrowserContext* browser_context,
     const url::Origin& requesting_origin,
     const url::Origin& embedding_origin) {
   return AllowWebBluetoothResult::ALLOW;
 }
 
 std::string ContentBrowserClient::GetWebBluetoothBlocklist() {
   return std::string();
@@ skipping 203 matching lines @@
 std::unique_ptr<MemoryCoordinatorDelegate>
 ContentBrowserClient::GetMemoryCoordinatorDelegate() {
   return std::unique_ptr<MemoryCoordinatorDelegate>();
 }
 
 ::rappor::RapporService* ContentBrowserClient::GetRapporService() {
   return nullptr;
 }
 
 }  // namespace content