Blink Plugins: Remove Shadow DOM Plugin Placeholder

Source/core/html/HTMLPlugInElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  *
  * 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.
  *
@@ skipping 15 matching lines @@
 #include "bindings/core/v8/SharedPersistent.h"
 #include "core/CoreExport.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include <v8.h>
 
 struct NPObject;
 
 namespace blink {
 
 class HTMLImageLoader;
-class PluginPlaceholder;
 class LayoutEmbeddedObject;
 class LayoutPart;
 class Widget;
 
 enum PreferPlugInsForImagesOption {
     ShouldPreferPlugInsForImages,
     ShouldNotPreferPlugInsForImages
 };
 
 class CORE_EXPORT HTMLPlugInElement : public HTMLFrameOwnerElement {
 public:
     ~HTMLPlugInElement() override;
     DECLARE_VIRTUAL_TRACE();
 #if ENABLE(OILPAN)
     void disconnectContentFrame() override;
     void shouldDisposePlugin();
 #endif
 
     void resetInstance();
-
-    // Returns the existing plugin widget, if there is one.
-    Widget* existingPluginWidget() const;
-
-    // Returns the plugin widget, forcing layout and post-layout tasks
-    // to happen synchronously (e.g. for JS bindings).
-    // See also layoutPartForJSBindings().
-    Widget* pluginWidgetForJSBindings();
-
     SharedPersistent<v8::Object>* pluginWrapper();
+    Widget* pluginWidget() const;
     NPObject* getNPObject();
     void setPluginFocus(bool focused);
     bool canProcessDrag() const;
     const String& url() const { return m_url; }
 
     // Public for FrameView::addPartToUpdate()
     bool needsWidgetUpdate() const { return m_needsWidgetUpdate; }
     void setNeedsWidgetUpdate(bool needsWidgetUpdate) { m_needsWidgetUpdate = needsWidgetUpdate; }
     void updateWidget();
 
     bool shouldAccelerate() const;
 
     void requestPluginCreationWithoutLayoutObjectIfPossible();
     void createPluginWithoutLayoutObject();
 
-    // Public for Internals::forcePluginPlaceholder.
-    bool usePlaceholderContent() const { return m_placeholder; }
-    void setPlaceholder(PassOwnPtrWillBeRawPtr<PluginPlaceholder>);
-
 protected:
     HTMLPlugInElement(const QualifiedName& tagName, Document&, bool createdByParser, PreferPlugInsForImagesOption);
 
     // Node functions:
     void didMoveToNewDocument(Document& oldDocument) override;
 
     // Element functions:
     bool isPresentationAttribute(const QualifiedName&) const override;
     void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override;
 
@@ skipping 52 matching lines @@
     bool pluginIsLoadable(const KURL&, const String& mimeType);
     bool wouldLoadAsNetscapePlugin(const String& url, const String& serviceType);
 
     void setPersistedPluginWidget(Widget*);
 
     mutable RefPtr<SharedPersistent<v8::Object>> m_pluginWrapper;
     NPObject* m_NPObject;
     bool m_needsWidgetUpdate;
     bool m_shouldPreferPlugInsForImages;
 
-    OwnPtrWillBeMember<PluginPlaceholder> m_placeholder;
-
     // Normally the Widget is stored in HTMLFrameOwnerElement::m_widget.
     // However, plugins can persist even when not rendered. In order to
     // prevent confusing code which may assume that widget() != null
     // means the frame is active, we save off m_widget here while
     // the plugin is persisting but not being displayed.
     RefPtrWillBeMember<Widget> m_persistedPluginWidget;
 };
 
 inline bool isHTMLPlugInElement(const HTMLElement& element)
 {
     return element.isPluginElement();
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLPlugInElement);
 
 } // namespace blink
 
 #endif // HTMLPlugInElement_h