Remove support for the keygen tag

content/browser/renderer_host/render_message_filter.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_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 36 matching lines @@
 
 class GURL;
 struct FontDescriptor;
 
 namespace media {
 struct MediaLogEvent;
 }
 
 namespace net {
 class IOBuffer;
-class KeygenHandler;
 class URLRequestContextGetter;
 }
 
 namespace url {
 class Origin;
 }
 
 namespace content {
 class BrowserContext;
 class CacheStorageContextImpl;
@@ skipping 81 matching lines @@
       const std::vector<char>& data,
       const url::Origin& cache_storage_origin,
       const std::string& cache_storage_cache_name);
   void OnCacheStorageOpenCallback(
       const GURL& url,
       base::Time expected_response_time,
       scoped_refptr<net::IOBuffer> buf,
       int buf_len,
       std::unique_ptr<CacheStorageCacheHandle> cache_handle,
       CacheStorageError error);
-  void OnKeygen(uint32_t key_size_index,
-                const std::string& challenge_string,
-                const GURL& url,
-                const GURL& top_origin,
-                IPC::Message* reply_msg);
-  void PostKeygenToWorkerThread(
-      IPC::Message* reply_msg,
-      std::unique_ptr<net::KeygenHandler> keygen_handler);
-  void OnKeygenOnWorkerThread(
-      std::unique_ptr<net::KeygenHandler> keygen_handler,
-      IPC::Message* reply_msg);
   void OnMediaLogEvents(const std::vector<media::MediaLogEvent>&);
 
   bool CheckBenchmarkingEnabled() const;
   bool CheckPreparsedJsCachingEnabled() const;
 
   // Cached resource request dispatcher host, guaranteed to be non-null. We do
   // not own it; it is managed by the BrowserProcess, which has a wider scope
   // than we do.
   ResourceDispatcherHostImpl* resource_dispatcher_host_;
 
@@ skipping 15 matching lines @@
   CacheStorageContextImpl* cache_storage_context_;
 
   base::WeakPtrFactory<RenderMessageFilter> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderMessageFilter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_