Make the LayoutRect->FloatRect constructor explicit.

Source/core/paint/FieldsetPainter.cpp

Index: Source/core/paint/FieldsetPainter.cpp
diff --git a/Source/core/paint/FieldsetPainter.cpp b/Source/core/paint/FieldsetPainter.cpp
index fcbdf8b16b33274fda85ac212f99580a860c9d4e..41834e37800437755bea36e0aa633eabe85e4372 100644
--- a/Source/core/paint/FieldsetPainter.cpp
+++ b/Source/core/paint/FieldsetPainter.cpp
@@ -40,7 +40,8 @@ void FieldsetPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, c
         paintRect.setX(paintRect.x() + xOff);
     }
 
-    LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutFieldset, paintInfo.phase, pixelSnappedIntRect(paintRect));
+    // TODO(chrishtr): pixel-snapping here is likely wrong.
+    LayoutObjectDrawingRecorder recorder(*paintInfo.context, m_layoutFieldset, paintInfo.phase, LayoutRect(pixelSnappedIntRect(paintRect)));

[jbroman, 2015/08/26 19:06:43]

as before, this is currently an IntRect->FloatRect conversion; LayoutRect isn't
involved

     BoxDecorationData boxDecorationData(m_layoutFieldset);
 
     if (boxDecorationData.bleedAvoidance == BackgroundBleedNone)