Merge RenderWidget into single subclass, RenderPart

Source/core/html/HTMLAppletElement.h

Index: Source/core/html/HTMLAppletElement.h
diff --git a/Source/core/html/HTMLAppletElement.h b/Source/core/html/HTMLAppletElement.h
index 70d6f276901e59eebb7f8b482ccc8d12f6131b66..7e7cfc7dc7a67da6d33d2092833aae7586bcb132 100644
--- a/Source/core/html/HTMLAppletElement.h
+++ b/Source/core/html/HTMLAppletElement.h
@@ -35,7 +35,7 @@ public:
     static PassRefPtrWillBeRawPtr<HTMLAppletElement> create(Document&, bool createdByParser);
 
 protected:
-    virtual RenderWidget* renderWidgetForJSBindings() const OVERRIDE;
+    virtual RenderPart* renderPartForJSBindings() const OVERRIDE;
 
 private:
     HTMLAppletElement(Document&, bool createdByParser);
@@ -47,7 +47,7 @@ private:
     virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE;
     virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
 
-    virtual RenderWidget* existingRenderWidget() const OVERRIDE;
+    virtual RenderPart* existingRenderPart() const OVERRIDE;
     virtual void updateWidgetInternal() OVERRIDE;
 
     bool canEmbedJava() const;