Replace RenderArena with PartitionAlloc

Source/core/html/BaseButtonInputType.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 33 matching lines @@
 using namespace HTMLNames;
 
 class NonSelectableText : public Text {
     inline NonSelectableText(Document* document, const String& data)
         : Text(document, data, CreateText)
     {
     }
 
     virtual RenderText* createTextRenderer(RenderStyle*) OVERRIDE
     {
-        return new (document()->renderArena()) RenderTextFragment(this, dataImpl());
+        return new RenderTextFragment(this, dataImpl());
     }
 
 public:
     static inline PassRefPtr<NonSelectableText> create(Document* document, const String& data)
     {
         return adoptRef(new NonSelectableText(document, data));
     }
 };
 
 // ----------------------------
@@ skipping 16 matching lines @@
 }
 
 bool BaseButtonInputType::appendFormData(FormDataList&, bool) const
 {
     // Buttons except overridden types are never successful.
     return false;
 }
 
 RenderObject* BaseButtonInputType::createRenderer(RenderStyle*) const
 {
-    return new (element()->document()->renderArena()) RenderButton(element());
+    return new RenderButton(element());
 }
 
 bool BaseButtonInputType::storesValueSeparateFromAttribute()
 {
     return false;
 }
 
 void BaseButtonInputType::setValue(const String& sanitizedValue, bool, TextFieldEventBehavior)
 {
     element()->setAttribute(valueAttr, sanitizedValue);
 }
 
 } // namespace WebCore