Removing x-x509-user-cert mime handler.

content/browser/loader/certificate_resource_handler.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_LOADER_CERTIFICATE_RESOURCE_HANDLER_H_
-#define CONTENT_BROWSER_LOADER_CERTIFICATE_RESOURCE_HANDLER_H_
-
-#include <string>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "content/browser/loader/resource_handler.h"
-#include "net/base/mime_util.h"
-
-namespace net {
-class GrowableIOBuffer;
-class URLRequest;
-class URLRequestStatus;
-}  // namespace net
-
-namespace content {
-
-// This class handles certificate mime types such as:
-// - "application/x-x509-user-cert"
-// - "application/x-x509-ca-cert"
-// - "application/x-pkcs12"
-//
-class CertificateResourceHandler : public ResourceHandler {
- public:
-  explicit CertificateResourceHandler(net::URLRequest* request);
-  ~CertificateResourceHandler() override;
-
-  // Not needed, as this event handler ought to be the final resource.
-  bool OnRequestRedirected(const net::RedirectInfo& redirect_info,
-                           ResourceResponse* resp,
-                           bool* defer) override;
-
-  // Check if this indeed an X509 cert.
-  bool OnResponseStarted(ResourceResponse* resp, bool* defer) override;
-
-  // Pass-through implementation.
-  bool OnWillStart(const GURL& url, bool* defer) override;
-
-  // Pass-through implementation.
-  bool OnBeforeNetworkStart(const GURL& url, bool* defer) override;
-
-  // Create a new buffer to store received data.
-  bool OnWillRead(scoped_refptr<net::IOBuffer>* buf,
-                  int* buf_size,
-                  int min_size) override;
-
-  // A read was completed, maybe allocate a new buffer for further data.
-  bool OnReadCompleted(int bytes_read, bool* defer) override;
-
-  // Done downloading the certificate.
-  void OnResponseCompleted(const net::URLRequestStatus& urs,
-                           const std::string& sec_info,
-                           bool* defer) override;
-
-  // N/A to cert downloading.
-  void OnDataDownloaded(int bytes_downloaded) override;
-
- private:
-  scoped_refptr<net::GrowableIOBuffer> buffer_;
-  net::CertificateMimeType cert_type_;
-
-  DISALLOW_COPY_AND_ASSIGN(CertificateResourceHandler);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_LOADER_CERTIFICATE_RESOURCE_HANDLER_H_