Remove old permission delegation prototype

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

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSDstyle license that can be
-// found in the LICENSE file.
-
-#include "core/html/HTMLIFrameElementPermissions.h"
-
-#include "core/html/HTMLIFrameElement.h"
-#include "wtf/HashMap.h"
-#include "wtf/text/StringBuilder.h"
-
-namespace blink {
-
-namespace {
-
-struct SupportedPermission {
-  const char* name;
-  mojom::blink::PermissionName type;
-};
-
-const SupportedPermission kSupportedPermissions[] = {
-    {"geolocation", mojom::blink::PermissionName::GEOLOCATION},
-    {"notifications", mojom::blink::PermissionName::NOTIFICATIONS},
-    {"midi", mojom::blink::PermissionName::MIDI},
-};
-
-// Returns true if the name is valid and the type is stored in |result|.
-bool getPermissionType(const AtomicString& name,
-                       mojom::blink::PermissionName* result) {
-  for (const SupportedPermission& permission : kSupportedPermissions) {
-    if (name == permission.name) {
-      if (result)
-        *result = permission.type;
-      return true;
-    }
-  }
-  return false;
-}
-
-}  // namespace
-
-HTMLIFrameElementPermissions::HTMLIFrameElementPermissions(
-    HTMLIFrameElement* element)
-    : DOMTokenList(this), m_element(element) {}
-
-HTMLIFrameElementPermissions::~HTMLIFrameElementPermissions() {}
-
-DEFINE_TRACE(HTMLIFrameElementPermissions) {
-  visitor->trace(m_element);
-  DOMTokenList::trace(visitor);
-  DOMTokenListObserver::trace(visitor);
-}
-
-Vector<mojom::blink::PermissionName>
-HTMLIFrameElementPermissions::parseDelegatedPermissions(
-    String& invalidTokensErrorMessage) const {
-  Vector<blink::mojom::blink::PermissionName> permissions;
-  unsigned numTokenErrors = 0;
-  StringBuilder tokenErrors;
-  const SpaceSplitString& tokens = this->tokens();
-
-  for (size_t i = 0; i < tokens.size(); ++i) {
-    blink::mojom::blink::PermissionName type;
-    if (getPermissionType(tokens[i], &type)) {
-      permissions.push_back(type);
-    } else {
-      tokenErrors.append(tokenErrors.isEmpty() ? "'" : ", '");
-      tokenErrors.append(tokens[i]);
-      tokenErrors.append("'");
-      ++numTokenErrors;
-    }
-  }
-
-  if (numTokenErrors) {
-    tokenErrors.append(numTokenErrors > 1 ? " are invalid permissions flags."
-                                          : " is an invalid permissions flag.");
-    invalidTokensErrorMessage = tokenErrors.toString();
-  }
-
-  return permissions;
-}
-
-bool HTMLIFrameElementPermissions::validateTokenValue(
-    const AtomicString& tokenValue,
-    ExceptionState&) const {
-  mojom::blink::PermissionName unused;
-  return getPermissionType(tokenValue, &unused);
-}
-
-void HTMLIFrameElementPermissions::valueWasSet() {
-  if (m_element)
-    m_element->permissionsValueWasSet();
-}
-
-}  // namespace blink