Rename all existing custom element classes as V0

third_party/WebKit/Source/core/dom/custom/CustomElementObserver.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:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. 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 "core/dom/custom/CustomElementObserver.h"
-
-#include "core/dom/Element.h"
-
-namespace blink {
-
-// Maps elements to the observer watching them. At most one per
-// element at a time.
-typedef HeapHashMap<WeakMember<Element>, Member<CustomElementObserver>> ElementObserverMap;
-
-static ElementObserverMap& elementObservers()
-{
-    DEFINE_STATIC_LOCAL(ElementObserverMap, map, (new ElementObserverMap));
-    return map;
-}
-
-void CustomElementObserver::notifyElementWasDestroyed(Element* element)
-{
-    ElementObserverMap::iterator it = elementObservers().find(element);
-    if (it == elementObservers().end())
-        return;
-    it->value->elementWasDestroyed(element);
-}
-
-void CustomElementObserver::observe(Element* element)
-{
-    ElementObserverMap::AddResult result = elementObservers().add(element, this);
-    ASSERT_UNUSED(result, result.isNewEntry);
-}
-
-void CustomElementObserver::unobserve(Element* element)
-{
-    CustomElementObserver* observer = elementObservers().take(element);
-    ASSERT_UNUSED(observer, observer == this);
-}
-
-} // namespace blink