Remove support for the keygen tag

android_webview/browser/aw_resource_context.h

 // Copyright 2013 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 ANDROID_WEBVIEW_BROWSER_AW_RESOURCE_CONTEXT_H_
 #define ANDROID_WEBVIEW_BROWSER_AW_RESOURCE_CONTEXT_H_
 
 #include <map>
 #include <string>
 
 #include "base/macros.h"
 #include "base/synchronization/lock.h"
 #include "content/public/browser/resource_context.h"
 
+class GURL;
+
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace android_webview {
 
 class AwResourceContext : public content::ResourceContext {
  public:
   explicit AwResourceContext(net::URLRequestContextGetter* getter);
   ~AwResourceContext() override;
@@ skipping 10 matching lines @@
 
   base::Lock extra_headers_lock_;
   std::map<std::string, std::string> extra_headers_;
 
   DISALLOW_COPY_AND_ASSIGN(AwResourceContext);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_AW_RESOURCE_CONTEXT_H_