replace COMPILE_ASSERT with static_assert in core/rendering/

Source/core/rendering/FloatingObjects.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * 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
@@ skipping 21 matching lines @@
 
 namespace blink {
 
 struct SameSizeAsFloatingObject {
     void* pointers[2];
     LayoutRect rect;
     int paginationStrut;
     uint32_t bitfields : 8;
 };
 
-COMPILE_ASSERT(sizeof(FloatingObject) == sizeof(SameSizeAsFloatingObject), FloatingObject_should_stay_small);
+static_assert(sizeof(FloatingObject) == sizeof(SameSizeAsFloatingObject), "FloatingObject should stay small");
 
 FloatingObject::FloatingObject(RenderBox* renderer)
     : m_renderer(renderer)
     , m_originatingLine(0)
     , m_paginationStrut(0)
     , m_shouldPaint(true)
     , m_isDescendant(false)
     , m_isPlaced(false)
 #if ENABLE(ASSERT)
     , m_isInPlacedTree(false)
@@ skipping 473 matching lines @@
 }
 
 String ValueToString<FloatingObject*>::string(const FloatingObject* floatingObject)
 {
     return String::format("%p (%dx%d %dx%d)", floatingObject, floatingObject->frameRect().pixelSnappedX(), floatingObject->frameRect().pixelSnappedY(), floatingObject->frameRect().pixelSnappedMaxX(), floatingObject->frameRect().pixelSnappedMaxY());
 }
 #endif
 
 
 } // namespace blink