BrowserPlugin/WebView - Move plugin lifetime to DOM

Source/core/rendering/RenderPart.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. 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
@@ skipping 27 matching lines @@
 namespace WebCore {
 
 RenderPart::RenderPart(Element* node)
     : RenderWidget(node)
 {
     setInline(false);
 }
 
 RenderPart::~RenderPart()
 {
-    clearWidget();
 }
 
-void RenderPart::setWidget(PassRefPtr<Widget> widget)
+void RenderPart::attachWidget(Widget* widget)
 {
-    if (widget == this->widget())
-        return;
-
-    RenderWidget::setWidget(widget);
-
-    // make sure the scrollbars are set correctly for restore
-    // ### find better fix
+    RenderWidget::attachWidget(widget);
     viewCleared();
 }
 
+void RenderPart::detachWidget(Widget* widget)
+{
+    RenderWidget::detachWidget(widget);
+    viewCleared();
+}
+
 void RenderPart::viewCleared()
 {
 }
 
 bool RenderPart::requiresLayer() const
 {
     if (RenderWidget::requiresLayer())
         return true;
 
     return requiresAcceleratedCompositing();
@@ skipping 66 matching lines @@
             Scrollbar* frameScrollbar = childFrameView->scrollbarAtPoint(newHitTestLocation.roundedPoint());
             if (frameScrollbar)
                 result.setScrollbar(frameScrollbar);
         }
     }
 
     return RenderWidget::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, action);
 }
 
 }