Removing x-x509-user-cert mime handler.

content/browser/loader/certificate_resource_handler.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/browser/loader/certificate_resource_handler.h"
-
-#include <limits.h>
-
-#include "components/mime_util/mime_util.h"
-#include "content/browser/loader/resource_request_info_impl.h"
-#include "content/public/browser/content_browser_client.h"
-#include "content/public/common/resource_response.h"
-#include "net/base/io_buffer.h"
-#include "net/url_request/url_request.h"
-#include "net/url_request/url_request_status.h"
-
-namespace content {
-
-CertificateResourceHandler::CertificateResourceHandler(net::URLRequest* request)
-    : ResourceHandler(request),
-      buffer_(new net::GrowableIOBuffer),
-      cert_type_(net::CERTIFICATE_MIME_TYPE_UNKNOWN) {
-}
-
-CertificateResourceHandler::~CertificateResourceHandler() {
-}
-
-bool CertificateResourceHandler::OnRequestRedirected(
-    const net::RedirectInfo& redirect_info,
-    ResourceResponse* resp,
-    bool* defer) {
-  return true;
-}
-
-bool CertificateResourceHandler::OnResponseStarted(ResourceResponse* resp,
-                                                   bool* defer) {
-  cert_type_ =
-      mime_util::GetCertificateMimeTypeForMimeType(resp->head.mime_type);
-  return cert_type_ != net::CERTIFICATE_MIME_TYPE_UNKNOWN;
-}
-
-bool CertificateResourceHandler::OnWillStart(const GURL& url, bool* defer) {
-  return true;
-}
-
-bool CertificateResourceHandler::OnBeforeNetworkStart(const GURL& url,
-                                                      bool* defer) {
-  return true;
-}
-
-bool CertificateResourceHandler::OnWillRead(scoped_refptr<net::IOBuffer>* buf,
-                                            int* buf_size,
-                                            int min_size) {
-  static const int kInitialBufferSizeInBytes = 32768;
-  static const int kMaxCertificateSizeInBytes = 1024 * 1024;
-
-  // TODO(gauravsh): Should we use 'min_size' here?
-  DCHECK(buf);
-  DCHECK(buf_size);
-
-  if (buffer_->capacity() == 0) {
-    buffer_->SetCapacity(kInitialBufferSizeInBytes);
-  } else if (buffer_->RemainingCapacity() == 0) {
-    int capacity = buffer_->capacity();
-    if (capacity >= kMaxCertificateSizeInBytes)
-      return false;
-    static_assert(kMaxCertificateSizeInBytes < INT_MAX / 2,
-                  "The size limit ensures the capacity remains in bounds.");
-    capacity *= 2;
-    if (capacity > kMaxCertificateSizeInBytes)
-      capacity = kMaxCertificateSizeInBytes;
-    buffer_->SetCapacity(capacity);
-  }
-
-  *buf = buffer_.get();
-  *buf_size = buffer_->RemainingCapacity();
-
-  return true;
-}
-
-bool CertificateResourceHandler::OnReadCompleted(int bytes_read, bool* defer) {
-  DCHECK_LE(0, bytes_read);
-  DCHECK_LE(bytes_read, buffer_->RemainingCapacity());
-  if (!bytes_read)
-    return true;
-
-  buffer_->set_offset(buffer_->offset() + bytes_read);
-  return true;
-}
-
-void CertificateResourceHandler::OnResponseCompleted(
-    const net::URLRequestStatus& urs,
-    const std::string& sec_info,
-    bool* defer) {
-  if (urs.status() != net::URLRequestStatus::SUCCESS)
-    return;
-
-  // Note that it's up to the browser to verify that the certificate
-  // data is well-formed.
-  const ResourceRequestInfo* info = GetRequestInfo();
-  GetContentClient()->browser()->AddCertificate(
-      cert_type_, buffer_->StartOfBuffer(),
-      static_cast<size_t>(buffer_->offset()), info->GetChildID(),
-      info->GetRenderFrameID());
-}
-
-void CertificateResourceHandler::OnDataDownloaded(int bytes_downloaded) {
-  NOTREACHED();
-}
-
-}  // namespace content