Don't add artifical 1 pixel width to empty tables

Source/core/layout/TableLayoutAlgorithmAuto.h

Index: Source/core/layout/TableLayoutAlgorithmAuto.h
diff --git a/Source/core/layout/TableLayoutAlgorithmAuto.h b/Source/core/layout/TableLayoutAlgorithmAuto.h
index 22dc635d7b784cf27a7a7fe37dd5677045b2725a..afdae6d1d39d442532ef51bc33e1c22e4d2f86fa 100644
--- a/Source/core/layout/TableLayoutAlgorithmAuto.h
+++ b/Source/core/layout/TableLayoutAlgorithmAuto.h
@@ -33,7 +33,8 @@ class LayoutTableCell;
 
 enum CellsToProcess {
     AllCells,
-    NonEmptyCells
+    NonEmptyCells,
+    EmptyCells
 };
 
 enum DistributionMode {
@@ -75,6 +76,7 @@ private:
             , effectiveMaxLogicalWidth(0)
             , computedLogicalWidth(0)
             , emptyCellsOnly(true)
+            , columnHasNoCells(true)
         {
         }
 
@@ -86,6 +88,8 @@ private:
         int effectiveMaxLogicalWidth;
         int computedLogicalWidth;
         bool emptyCellsOnly;
+        bool columnHasNoCells;
+        int clampedEffectiveMaxLogicalWidth() { return std::max<int>(1, effectiveMaxLogicalWidth); }
     };
 
     Vector<Layout, 4> m_layoutStruct;