Making LayoutUnit conversions to Float type explicit

Source/core/rendering/shapes/BoxShape.cpp

 /*
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer.
@@ skipping 58 matching lines @@
     }
     return paddingBounds;
 }
 
 void BoxShape::getExcludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
 {
     const FloatRoundedRect& marginBounds = shapeMarginBounds();
     if (marginBounds.isEmpty() || !lineOverlapsShapeMarginBounds(logicalTop, logicalHeight))
         return;
 
-    float y1 = logicalTop;
-    float y2 = logicalTop + logicalHeight;
+    float y1 = logicalTop.toFloat();
+    float y2 = (logicalTop + logicalHeight).toFloat();
     const FloatRect& rect = marginBounds.rect();
 
     if (!marginBounds.isRounded()) {
         result.append(LineSegment(marginBounds.rect().x(), marginBounds.rect().maxX()));
         return;
     }
 
     float topCornerMaxY = std::max<float>(marginBounds.topLeftCorner().maxY(), marginBounds.topRightCorner().maxY());
     float bottomCornerMinY = std::min<float>(marginBounds.bottomLeftCorner().y(), marginBounds.bottomRightCorner().y());
 
@@ skipping 20 matching lines @@
     ASSERT(x2 >= x1);
     result.append(LineSegment(x1, x2));
 }
 
 void BoxShape::getIncludedIntervals(LayoutUnit logicalTop, LayoutUnit logicalHeight, SegmentList& result) const
 {
     const FloatRoundedRect& paddingBounds = shapePaddingBounds();
     if (paddingBounds.isEmpty())
         return;
 
-    float y1 = logicalTop;
-    float y2 = logicalTop + logicalHeight;
+    float y1 = logicalTop.toFloat();
+    float y2 = (logicalTop + logicalHeight).toFloat();
     const FloatRect& rect = paddingBounds.rect();
 
     if (y1 < rect.y() || y2 > rect.maxY())
         return;
 
     if (!paddingBounds.isRounded()) {
         result.append(LineSegment(rect.x(), rect.maxX()));
         return;
     }
 
@@ skipping 17 matching lines @@
 
 bool BoxShape::firstIncludedIntervalLogicalTop(LayoutUnit minLogicalIntervalTop, const FloatSize&, LayoutUnit& result) const
 {
     // FIXME: this method is only a stub, https://bugs.webkit.org/show_bug.cgi?id=124606.
 
     result = minLogicalIntervalTop;
     return true;
 }
 
 } // namespace WebCore