Remove custom element upgrades.

sky/engine/core/dom/custom/CustomElementUpgradeCandidateMap.cpp

-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "sky/engine/config.h"
-#include "sky/engine/core/dom/custom/CustomElementUpgradeCandidateMap.h"
-
-#include "sky/engine/core/dom/Element.h"
-
-namespace blink {
-
-PassOwnPtr<CustomElementUpgradeCandidateMap> CustomElementUpgradeCandidateMap::create()
-{
-    return adoptPtr(new CustomElementUpgradeCandidateMap());
-}
-
-CustomElementUpgradeCandidateMap::~CustomElementUpgradeCandidateMap()
-{
-#if !ENABLE(OILPAN)
-    // With Oilpan enabled, the observer table keeps a weak reference to the
-    // element; no need for explicit removal.
-    UpgradeCandidateMap::const_iterator::Keys end = m_upgradeCandidates.end().keys();
-    for (UpgradeCandidateMap::const_iterator::Keys it = m_upgradeCandidates.begin().keys(); it != end; ++it)
-        unobserve(*it);
-#endif
-}
-
-void CustomElementUpgradeCandidateMap::add(const CustomElementDescriptor& descriptor, Element* element)
-{
-    observe(element);
-
-    UpgradeCandidateMap::AddResult result = m_upgradeCandidates.add(element, descriptor);
-    ASSERT_UNUSED(result, result.isNewEntry);
-
-    UnresolvedDefinitionMap::iterator it = m_unresolvedDefinitions.find(descriptor);
-    ElementSet* elements;
-    if (it == m_unresolvedDefinitions.end())
-        elements = m_unresolvedDefinitions.add(descriptor, adoptPtr(new ElementSet())).storedValue->value.get();
-    else
-        elements = it->value.get();
-    elements->add(element);
-}
-
-void CustomElementUpgradeCandidateMap::elementWasDestroyed(Element* element)
-{
-    CustomElementObserver::elementWasDestroyed(element);
-    UpgradeCandidateMap::iterator candidate = m_upgradeCandidates.find(element);
-    ASSERT_WITH_SECURITY_IMPLICATION(candidate != m_upgradeCandidates.end());
-
-    UnresolvedDefinitionMap::iterator elements = m_unresolvedDefinitions.find(candidate->value);
-    ASSERT_WITH_SECURITY_IMPLICATION(elements != m_unresolvedDefinitions.end());
-    elements->value->remove(element);
-    m_upgradeCandidates.remove(candidate);
-}
-
-void CustomElementUpgradeCandidateMap::elementDidFinishParsingChildren(Element* element)
-{
-    // An upgrade candidate finished parsing; reorder so that eventual
-    // upgrade order matches finished-parsing order.
-    moveToEnd(element);
-}
-
-void CustomElementUpgradeCandidateMap::moveToEnd(Element* element)
-{
-    UpgradeCandidateMap::iterator candidate = m_upgradeCandidates.find(element);
-    ASSERT_WITH_SECURITY_IMPLICATION(candidate != m_upgradeCandidates.end());
-
-    UnresolvedDefinitionMap::iterator elements = m_unresolvedDefinitions.find(candidate->value);
-    ASSERT_WITH_SECURITY_IMPLICATION(elements != m_unresolvedDefinitions.end());
-    elements->value->appendOrMoveToLast(element);
-}
-
-PassOwnPtr<CustomElementUpgradeCandidateMap::ElementSet> CustomElementUpgradeCandidateMap::takeUpgradeCandidatesFor(const CustomElementDescriptor& descriptor)
-{
-    OwnPtr<ElementSet> candidates = m_unresolvedDefinitions.take(descriptor);
-
-    if (!candidates)
-        return nullptr;
-
-    for (ElementSet::const_iterator candidate = candidates->begin(); candidate != candidates->end(); ++candidate) {
-        unobserve(*candidate);
-        m_upgradeCandidates.remove(*candidate);
-    }
-    return candidates.release();
-}
-
-}