RenderBlock::isSelfCollapsingBlock() should only be used when an object does not require layout.

Source/core/rendering/RenderTextControlPlaceholder.cpp

 /*
- * This file is part of the WebKit project.
- *
- * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
- * Copyright (C) 2006 Apple Computer Inc.
+ * Copyright (C) 2014 Robert Hogan <robert@roberthogan.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
-
-#include "core/rendering/svg/RenderSVGTSpan.h"
+#include "core/rendering/RenderTextControlPlaceholder.h"
 
 namespace WebCore {
 
-RenderSVGTSpan::RenderSVGTSpan(Element* element)
-    : RenderSVGInline(element)
+RenderTextControlPlaceholder::RenderTextControlPlaceholder(Element* element)
+    : RenderBlockFlow(element)
 {
 }
 
+RenderTextControlPlaceholder::~RenderTextControlPlaceholder()
+{
+}
+
 }