Support intrinsic values for height, min-height and max-height

Source/WebCore/rendering/RenderGrid.cpp

Index: Source/WebCore/rendering/RenderGrid.cpp
diff --git a/Source/WebCore/rendering/RenderGrid.cpp b/Source/WebCore/rendering/RenderGrid.cpp
index a324d3419adac2afa15a6475cca1f509dd7fa069..90a57ebecd368878a067d7ace1123946bfa7cfb1 100644
--- a/Source/WebCore/rendering/RenderGrid.cpp
+++ b/Source/WebCore/rendering/RenderGrid.cpp
@@ -317,7 +317,8 @@ LayoutUnit RenderGrid::computeUsedBreadthOfSpecifiedLength(TrackSizingDirection
 {
     // FIXME: We still need to support calc() here (https://webkit.org/b/103761).
     ASSERT(trackLength.isFixed() || trackLength.isPercent() || trackLength.isViewportPercentage());
-    return valueForLength(trackLength, direction == ForColumns ? logicalWidth() : computeContentLogicalHeight(style()->logicalHeight()), view());
+    // FIXME: The -1 is probably wrong here, but this needs someone with grid knowledge to look at.

[ojan, 2013/04/11 03:21:46]

Would be good to say what the right value is, i.e. that this should be the
intrinsic height of the grid...whatever that is.

[cbiesinger, 2013/04/12 01:17:52]

Done.

+    return valueForLength(trackLength, direction == ForColumns ? logicalWidth() : computeContentLogicalHeight(style()->logicalHeight(), -1), view());
 }
 
 const GridTrackSize& RenderGrid::gridTrackSize(TrackSizingDirection direction, size_t i) const