Blink Plugins: Remove Shadow DOM Plugin Placeholder

Source/web/PluginPlaceholderImpl.cpp

-// Copyright 2014 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 "config.h"
-#include "web/PluginPlaceholderImpl.h"
-
-#include "core/dom/shadow/ShadowRoot.h"
-#include "core/html/HTMLPlugInElement.h"
-#include "core/html/shadow/PluginPlaceholderElement.h"
-#include "public/web/WebPluginPlaceholder.h"
-
-namespace blink {
-
-PluginPlaceholderImpl::PluginPlaceholderImpl(PassOwnPtr<WebPluginPlaceholder> webPluginPlaceholder, Document& document)
-    : m_webPluginPlaceholder(webPluginPlaceholder)
-    , m_placeholderElement(PluginPlaceholderElement::create(document))
-{
-    ASSERT(m_webPluginPlaceholder);
-}
-
-PluginPlaceholderImpl::~PluginPlaceholderImpl()
-{
-}
-
-DEFINE_TRACE(PluginPlaceholderImpl)
-{
-    visitor->trace(m_placeholderElement);
-}
-
-void PluginPlaceholderImpl::loadIntoContainer(ContainerNode& container)
-{
-    m_placeholderElement->remove(ASSERT_NO_EXCEPTION);
-    update();
-    container.removeChildren();
-    container.appendChild(m_placeholderElement);
-}
-
-void PluginPlaceholderImpl::update()
-{
-    m_placeholderElement->setMessage(m_webPluginPlaceholder->message());
-    m_placeholderElement->setIsCloseable(m_webPluginPlaceholder->isCloseable());
-}
-
-} // namespace blink