Properly shrink stretched flexbox children on relayout

Source/core/html/shadow/SliderThumbElement.cpp

Index: Source/core/html/shadow/SliderThumbElement.cpp
diff --git a/Source/core/html/shadow/SliderThumbElement.cpp b/Source/core/html/shadow/SliderThumbElement.cpp
index 093f36cc057f5f825545647822edcc3d8cd039a1..ada6d067ec547e96ee8644ab403841445f86faa6 100644
--- a/Source/core/html/shadow/SliderThumbElement.cpp
+++ b/Source/core/html/shadow/SliderThumbElement.cpp
@@ -128,11 +128,18 @@ void RenderSliderContainer::computeLogicalHeight(LayoutUnit logicalHeight, Layou
         if (zoomFactor != 1.0)
             trackHeight *= zoomFactor;
 
+        // FIXME: This height should have been added in before we got here to avoid this hack.

[ojan, 2014/04/17 20:01:33]

These comments are not totally clear to me. I think I understand what you're
saying, but it'd be nice if they were a bit more actionable.

+        updateIntrinsicContentLogicalHeight(trackHeight);
+
         RenderBox::computeLogicalHeight(trackHeight, logicalTop, computedValues);
         return;
     }
     if (isVertical)
         logicalHeight = RenderSlider::defaultTrackLength;
+
+    // FIXME: This height should have been added in before we got here to avoid this hack.
+    updateIntrinsicContentLogicalHeight(logicalHeight);
+
     RenderBox::computeLogicalHeight(logicalHeight, logicalTop, computedValues);
 }