Move and rename RenderPart to LayoutPart.

Source/core/rendering/RenderIFrame.cpp

 /*
  * Copyright (C) 2010 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 19 matching lines @@
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLIFrameElement.h"
 #include "core/rendering/RenderView.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 RenderIFrame::RenderIFrame(Element* element)
-    : RenderPart(element)
+    : LayoutPart(element)
 {
 }
 
 bool RenderIFrame::shouldComputeSizeAsReplaced() const
 {
     return true;
 }
 
 bool RenderIFrame::isInlineBlockOrInlineTable() const
 {
     return isInline();
 }
 
 LayerType RenderIFrame::layerTypeRequired() const
 {
     if (style()->resize() != RESIZE_NONE)
         return NormalLayer;
-    return RenderPart::layerTypeRequired();
+    return LayoutPart::layerTypeRequired();
 }
 
 void RenderIFrame::layout()
 {
     ASSERT(needsLayout());
 
     updateLogicalWidth();
     // No kids to layout as a replaced element.
     updateLogicalHeight();
 
     m_overflow.clear();
     addVisualEffectOverflow();
     updateLayerTransformAfterLayout();
 
     clearNeedsLayout();
 }
 
 }