Merge RenderWidget into single subclass, RenderPart

Source/core/rendering/RenderTreeAsText.cpp

 /*
  * Copyright (C) 2004, 2006, 2007 Apple 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
@@ skipping 29 matching lines @@
 #include "core/rendering/RenderDetailsMarker.h"
 #include "core/rendering/RenderFileUploadControl.h"
 #include "core/rendering/RenderFlowThread.h"
 #include "core/rendering/RenderInline.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderListItem.h"
 #include "core/rendering/RenderListMarker.h"
 #include "core/rendering/RenderPart.h"
 #include "core/rendering/RenderTableCell.h"
 #include "core/rendering/RenderView.h"
-#include "core/rendering/RenderWidget.h"
 #include "core/rendering/compositing/CompositedLayerMapping.h"
 #include "core/rendering/svg/RenderSVGContainer.h"
 #include "core/rendering/svg/RenderSVGGradientStop.h"
 #include "core/rendering/svg/RenderSVGImage.h"
 #include "core/rendering/svg/RenderSVGInlineText.h"
 #include "core/rendering/svg/RenderSVGPath.h"
 #include "core/rendering/svg/RenderSVGRoot.h"
 #include "core/rendering/svg/RenderSVGText.h"
 #include "core/rendering/svg/SVGRenderTreeAsText.h"
 #include "wtf/HexNumber.h"
@@ skipping 414 matching lines @@
             writeTextRun(ts, text, *box);
         }
     }
 
     for (RenderObject* child = o.slowFirstChild(); child; child = child->nextSibling()) {
         if (child->hasLayer())
             continue;
         write(ts, *child, indent + 1, behavior);
     }
 
-    if (o.isWidget()) {
-        Widget* widget = toRenderWidget(o).widget();
+    if (o.isRenderPart()) {
+        Widget* widget = toRenderPart(o).widget();
         if (widget && widget->isFrameView()) {
             FrameView* view = toFrameView(widget);
             RenderView* root = view->renderView();
             if (root) {
                 view->layout();
                 RenderLayer* l = root->layer();
                 if (l)
                     RenderTreeAsText::writeLayers(ts, l, l, l->rect(), indent + 1, behavior);
             }
         }
@@ skipping 276 matching lines @@
     element->document().updateLayout();
 
     RenderObject* renderer = element->renderer();
     if (!renderer || !renderer->isListItem())
         return String();
 
     return toRenderListItem(renderer)->markerText();
 }
 
 } // namespace blink