Force all LayoutUnit construction to be explicit

third_party/WebKit/Source/core/style/StyleGeneratedImage.cpp

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 35 matching lines @@
     return m_imageGeneratorValue->valueWithURLsMadeAbsolute();
 }
 
 LayoutSize StyleGeneratedImage::imageSize(const LayoutObject* layoutObject, float multiplier) const
 {
     if (m_fixedSize) {
         LayoutSize fixedSize(m_imageGeneratorValue->fixedSize(layoutObject));
         if (multiplier == 1.0f)
             return fixedSize;
 
-        LayoutUnit width = fixedSize.width() * multiplier;
-        LayoutUnit height = fixedSize.height() * multiplier;
+        LayoutUnit width(fixedSize.width() * multiplier);
+        LayoutUnit height(fixedSize.height() * multiplier);
 
         // Don't let images that have a width/height >= 1 shrink below 1 when zoomed.
-        if (fixedSize.width() > 0)
+        if (fixedSize.width() > LayoutUnit())
             width = max(LayoutUnit(1), width);
 
-        if (fixedSize.height() > 0)
+        if (fixedSize.height() > LayoutUnit())
             height = max(LayoutUnit(1), height);
 
         return LayoutSize(width, height);
     }
 
     return LayoutSize();
 }
 
 void StyleGeneratedImage::computeIntrinsicDimensions(const LayoutObject* layoutObject, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio)
 {
@@ skipping 24 matching lines @@
     return m_imageGeneratorValue->knownToBeOpaque(layoutObject);
 }
 
 DEFINE_TRACE(StyleGeneratedImage)
 {
     visitor->trace(m_imageGeneratorValue);
     StyleImage::trace(visitor);
 }
 
 } // namespace blink