Remove support for the keygen tag

third_party/WebKit/Source/core/html/HTMLKeygenElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLKeygenElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLKeygenElement.cpp b/third_party/WebKit/Source/core/html/HTMLKeygenElement.cpp
deleted file mode 100644
index 17d92d23edd2a7c7c066d6c3e8a61508521c5785..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/html/HTMLKeygenElement.cpp
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- *           (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
- *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#include "core/html/HTMLKeygenElement.h"
-
-#include "bindings/core/v8/ExceptionStatePlaceholder.h"
-#include "core/HTMLNames.h"
-#include "core/dom/Document.h"
-#include "core/dom/Text.h"
-#include "core/dom/shadow/ShadowRoot.h"
-#include "core/frame/Deprecation.h"
-#include "core/html/FormData.h"
-#include "core/html/HTMLOptionElement.h"
-#include "core/html/HTMLSelectElement.h"
-#include "core/layout/LayoutBlockFlow.h"
-#include "core/loader/FrameLoaderClient.h"
-#include "platform/text/PlatformLocale.h"
-#include "public/platform/Platform.h"
-#include "public/platform/WebLocalizedString.h"
-#include "wtf/StdLibExtras.h"
-
-using namespace blink;
-
-namespace blink {
-
-using namespace HTMLNames;
-
-HTMLKeygenElement::HTMLKeygenElement(Document& document)
-    : HTMLFormControlElementWithState(keygenTag, document) {
-  Deprecation::countDeprecation(document, UseCounter::HTMLKeygenElement);
-  if (document.frame())
-    document.frame()->loader().client()->didUseKeygen();
-}
-
-HTMLKeygenElement* HTMLKeygenElement::create(Document& document) {
-  HTMLKeygenElement* keygen = new HTMLKeygenElement(document);
-  keygen->ensureUserAgentShadowRoot();
-  return keygen;
-}
-
-LayoutObject* HTMLKeygenElement::createLayoutObject(
-    const ComputedStyle& style) {
-  // TODO(mstensho): While it's harmful and meaningless to allow most display
-  // types on replaced content (e.g. table, table-row or flex), it would be
-  // useful to honor at least some of them. Table-cell (and maybe table-caption
-  // too), for instance. See crbug.com/335040
-  return new LayoutBlockFlow(this);
-}
-
-void HTMLKeygenElement::didAddUserAgentShadowRoot(ShadowRoot& root) {
-  DEFINE_STATIC_LOCAL(AtomicString, keygenSelectPseudoId,
-                      ("-webkit-keygen-select"));
-
-  Vector<String> keys;
-  keys.reserveCapacity(2);
-  keys.push_back(
-      locale().queryString(WebLocalizedString::KeygenMenuHighGradeKeySize));
-  keys.push_back(
-      locale().queryString(WebLocalizedString::KeygenMenuMediumGradeKeySize));
-
-  // Create a select element with one option element for each key size.
-  HTMLSelectElement* select = HTMLSelectElement::create(document());
-  select->setShadowPseudoId(keygenSelectPseudoId);
-  for (const String& key : keys) {
-    HTMLOptionElement* option = HTMLOptionElement::create(document());
-    option->appendChild(Text::create(document(), key));
-    select->appendChild(option);
-  }
-
-  root.appendChild(select);
-}
-
-void HTMLKeygenElement::parseAttribute(const QualifiedName& name,
-                                       const AtomicString& oldValue,
-                                       const AtomicString& value) {
-  // Reflect disabled attribute on the shadow select element
-  if (name == disabledAttr)
-    shadowSelect()->setAttribute(name, value);
-
-  HTMLFormControlElement::parseAttribute(name, oldValue, value);
-}
-
-void HTMLKeygenElement::appendToFormData(FormData& formData) {
-  // Only RSA is supported at this time.
-  const AtomicString& keyType = fastGetAttribute(keytypeAttr);
-  if (!keyType.isNull() && !equalIgnoringCase(keyType, "rsa"))
-    return;
-  SecurityOrigin* topOrigin =
-      document().frame()->tree().top()->securityContext()->getSecurityOrigin();
-  String value = Platform::current()->signedPublicKeyAndChallengeString(
-      shadowSelect()->selectedIndex(), fastGetAttribute(challengeAttr),
-      document().baseURL(), KURL(KURL(), topOrigin->toString()));
-  if (!value.isNull())
-    formData.append(name(), value);
-}
-
-const AtomicString& HTMLKeygenElement::formControlType() const {
-  DEFINE_STATIC_LOCAL(const AtomicString, keygen, ("keygen"));
-  return keygen;
-}
-
-void HTMLKeygenElement::resetImpl() {
-  shadowSelect()->reset();
-}
-
-HTMLSelectElement* HTMLKeygenElement::shadowSelect() const {
-  ShadowRoot* root = userAgentShadowRoot();
-  return root ? toHTMLSelectElementOrDie(root->firstChild()) : nullptr;
-}
-
-bool HTMLKeygenElement::isInteractiveContent() const {
-  return true;
-}
-
-bool HTMLKeygenElement::supportsAutofocus() const {
-  return true;
-}
-
-}  // namespace blink