Move and rename RenderPart to LayoutPart.

Source/core/html/HTMLAppletElement.cpp

Index: Source/core/html/HTMLAppletElement.cpp
diff --git a/Source/core/html/HTMLAppletElement.cpp b/Source/core/html/HTMLAppletElement.cpp
index 6e222b365d0935ce297db28b83ca888c3874db46..0398e813e9824099b455fe889275413e9a7c16e6 100644
--- a/Source/core/html/HTMLAppletElement.cpp
+++ b/Source/core/html/HTMLAppletElement.cpp
@@ -101,16 +101,16 @@ LayoutObject* HTMLAppletElement::createRenderer(const LayoutStyle& style)
     return new LayoutApplet(this);
 }
 
-RenderPart* HTMLAppletElement::renderPartForJSBindings() const
+LayoutPart* HTMLAppletElement::layoutPartForJSBindings() const
 {
     if (!canEmbedJava())
         return nullptr;
-    return HTMLPlugInElement::renderPartForJSBindings();
+    return HTMLPlugInElement::layoutPartForJSBindings();
 }
 
-RenderPart* HTMLAppletElement::existingRenderPart() const
+LayoutPart* HTMLAppletElement::existingLayoutPart() const
 {
-    return renderPart();
+    return layoutPart();
 }
 
 void HTMLAppletElement::updateWidgetInternal()