Force all LayoutUnit construction to be explicit

third_party/WebKit/Source/platform/geometry/LayoutSize.h

 /*
  * Copyright (c) 2012, Google 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 34 matching lines @@
     AspectRatioFitShrink,
     AspectRatioFitGrow
 };
 
 class LayoutSize {
     DISALLOW_NEW();
 public:
     LayoutSize() { }
     explicit LayoutSize(const IntSize& size) : m_width(size.width()), m_height(size.height()) { }
     LayoutSize(LayoutUnit width, LayoutUnit height) : m_width(width), m_height(height) { }
+    LayoutSize(int width, int height) : m_width(LayoutUnit(width)), m_height(LayoutUnit(height)) { }
+    LayoutSize(float width, float height) : m_width(LayoutUnit(width)), m_height(LayoutUnit(height)) { }
 
     explicit LayoutSize(const FloatSize& size) : m_width(size.width()), m_height(size.height()) { }
     explicit LayoutSize(const DoubleSize& size) : m_width(size.width()), m_height(size.height()) { }
 
     LayoutUnit width() const { return m_width; }
     LayoutUnit height() const { return m_height; }
 
     void setWidth(LayoutUnit width) { m_width = width; }
     void setHeight(LayoutUnit height) { m_height = height; }
 
     bool isEmpty() const { return m_width.rawValue() <= 0 || m_height.rawValue() <= 0; }
     bool isZero() const { return !m_width && !m_height; }
 
     float aspectRatio() const { return m_width.toFloat() / m_height.toFloat(); }
 
     void expand(LayoutUnit width, LayoutUnit height)
     {
         m_width += width;
         m_height += height;
     }
 
+    void expand(int width, int height) { expand(LayoutUnit(width), LayoutUnit(height)); }
+
+    void shrink(int width, int height) { shrink(LayoutUnit(width), LayoutUnit(height)); }
+
     void shrink(LayoutUnit width, LayoutUnit height)
     {
         m_width -= width;
         m_height -= height;
     }
 
     void scale(float scale)
     {
         m_width *= scale;
         m_height *= scale;
@@ skipping 136 matching lines @@
 }
 
 inline LayoutSize roundedLayoutSize(const FloatSize& s)
 {
     return LayoutSize(s);
 }
 
 } // namespace blink
 
 #endif // LayoutSize_h