Making LayoutUnit conversions to Float type explicit

Source/core/rendering/RenderBoxModelObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. 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
@@ skipping 2013 matching lines @@
 }
 
 void RenderBoxModelObject::clipBorderSidePolygon(GraphicsContext* graphicsContext, const RoundedRect& outerBorder, const RoundedRect& innerBorder,
                                                  BoxSide side, bool firstEdgeMatches, bool secondEdgeMatches)
 {
     FloatPoint quad[4];
 
     const LayoutRect& outerRect = outerBorder.rect();
     const LayoutRect& innerRect = innerBorder.rect();
 
-    FloatPoint centerPoint(innerRect.location().x() + static_cast<float>(innerRect.width()) / 2, innerRect.location().y() + static_cast<float>(innerRect.height()) / 2);
+    FloatPoint centerPoint(innerRect.location().x().toFloat() + innerRect.width().toFloat() / 2, innerRect.location().y().toFloat() + innerRect.height().toFloat() / 2);
 
     // For each side, create a quad that encompasses all parts of that side that may draw,
     // including areas inside the innerBorder.
     //
     //         0----------------3
     //       0  \              /  0
     //       |\  1----------- 2  /|
     //       | 1                1 |
     //       | |                | |
     //       | |                | |
@@ skipping 761 matching lines @@
     ASSERT(!beforeChild || toBoxModelObject == beforeChild->parent());
     for (RenderObject* child = startChild; child && child != endChild; ) {
         // Save our next sibling as moveChildTo will clear it.
         RenderObject* nextSibling = child->nextSibling();
         moveChildTo(toBoxModelObject, child, beforeChild, fullRemoveInsert);
         child = nextSibling;
     }
 }
 
 } // namespace WebCore