Disallow cast/implicit conversion from LayoutUnit to int/unsigned

third_party/WebKit/Source/core/layout/LayoutInline.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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 613 matching lines @@
 
 class AbsoluteRectsGeneratorContext {
 public:
     AbsoluteRectsGeneratorContext(Vector<IntRect>& rects, const LayoutPoint& accumulatedOffset)
         : m_rects(rects)
         , m_accumulatedOffset(accumulatedOffset) { }
 
     void operator()(const LayoutRect& rect)
     {
         IntRect intRect = enclosingIntRect(rect);
-        intRect.move(m_accumulatedOffset.x(), m_accumulatedOffset.y());
+        intRect.move(m_accumulatedOffset.x().toInt(), m_accumulatedOffset.y().toInt());
         m_rects.append(intRect);
     }
 private:
     Vector<IntRect>& m_rects;
     const LayoutPoint& m_accumulatedOffset;
 };
 
 } // unnamed namespace
 
 void LayoutInline::absoluteRects(Vector<IntRect>& rects, const LayoutPoint& accumulatedOffset) const
@@ skipping 580 matching lines @@
             return LayoutUnit(s->computedLineHeight());
     }
 
     return LayoutUnit(style()->computedLineHeight());
 }
 
 int LayoutInline::baselinePosition(FontBaseline baselineType, bool firstLine, LineDirectionMode direction, LinePositionMode linePositionMode) const
 {
     ASSERT(linePositionMode == PositionOnContainingLine);
     const FontMetrics& fontMetrics = style(firstLine)->getFontMetrics();
-    return fontMetrics.ascent(baselineType) + (lineHeight(firstLine, direction, linePositionMode) - fontMetrics.height()) / 2;
+    return (fontMetrics.ascent(baselineType) + (lineHeight(firstLine, direction, linePositionMode) - fontMetrics.height()) / 2).toInt();
 }
 
 LayoutSize LayoutInline::offsetForInFlowPositionedInline(const LayoutBox& child) const
 {
     // FIXME: This function isn't right with mixed writing modes.
 
     ASSERT(isInFlowPositioned());
     if (!isInFlowPositioned())
         return LayoutSize();
 
@@ skipping 116 matching lines @@
 
 void LayoutInline::invalidateDisplayItemClients(PaintInvalidationReason invalidationReason) const
 {
     LayoutBoxModelObject::invalidateDisplayItemClients(invalidationReason);
 
     for (InlineFlowBox* box = firstLineBox(); box; box = box->nextLineBox())
         invalidateDisplayItemClient(*box, invalidationReason);
 }
 
 } // namespace blink