BrowserPlugin/WebView - Move plugin lifetime to DOM

Source/core/html/HTMLFrameOwnerElement.h

 /*
  * Copyright (C) 2006, 2007, 2009 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 13 matching lines @@
 #include "core/html/HTMLElement.h"
 #include "core/svg/SVGDocument.h"
 #include "wtf/HashCountedSet.h"
 
 namespace WebCore {
 
 class DOMWindow;
 class ExceptionState;
 class Frame;
 class RenderPart;
+class Widget;
 
 class HTMLFrameOwnerElement : public HTMLElement {
 public:
     virtual ~HTMLFrameOwnerElement();
 
     Frame* contentFrame() const { return m_contentFrame; }
     DOMWindow* contentWindow() const;
     Document* contentDocument() const;
 
     void setContentFrame(Frame&);
@@ skipping 11 matching lines @@
     virtual ScrollbarMode scrollingMode() const { return ScrollbarAuto; }
 
     SandboxFlags sandboxFlags() const { return m_sandboxFlags; }
 
     virtual bool loadedNonEmptyDocument() const { return false; }
     virtual void didLoadNonEmptyDocument() { }
 
     virtual void renderFallbackContent() { }
 
     virtual bool isObjectElement() const { return false; }
+    void setWidget(PassRefPtr<Widget>);
+    Widget* ownedWidget() const;
+
+    class UpdateSuspendScope {
+    public:
+        UpdateSuspendScope();
+        ~UpdateSuspendScope();
+
+    private:
+        void performDeferredWidgetTreeOperations();
+    };
 
 protected:
     HTMLFrameOwnerElement(const QualifiedName& tagName, Document&);
     void setSandboxFlags(SandboxFlags);
 
     bool loadOrRedirectSubframe(const KURL&, const AtomicString& frameName, bool lockBackForwardList);
 
 private:
     virtual bool isKeyboardFocusable() const OVERRIDE;
     virtual bool isFrameOwnerElement() const OVERRIDE FINAL { return true; }
 
     Frame* m_contentFrame;
+    RefPtr<Widget> m_widget;
     SandboxFlags m_sandboxFlags;
 };
 
 DEFINE_ELEMENT_TYPE_CASTS(HTMLFrameOwnerElement, isFrameOwnerElement());
 
 class SubframeLoadingDisabler {
 public:
     explicit SubframeLoadingDisabler(Node& root)
         : m_root(root)
     {
@@ skipping 22 matching lines @@
         DEFINE_STATIC_LOCAL(HashCountedSet<Node*>, nodes, ());
         return nodes;
     }
 
     Node& m_root;
 };
 
 } // namespace WebCore
 
 #endif // HTMLFrameOwnerElement_h