Table with fixed layout behaves like auto layout when its width is set by js instead of css.

Source/core/rendering/style/RenderStyle.h

Index: Source/core/rendering/style/RenderStyle.h
diff --git a/Source/core/rendering/style/RenderStyle.h b/Source/core/rendering/style/RenderStyle.h
index eb5496ea25990b2a81140b143f74c47db208e030..3e86d156f76c2ba4cbf2ce9f4eff9137c2731dc2 100644
--- a/Source/core/rendering/style/RenderStyle.h
+++ b/Source/core/rendering/style/RenderStyle.h
@@ -563,6 +563,7 @@ public:
 
     EClear clear() const { return static_cast<EClear>(noninherited_flags._clear); }
     ETableLayout tableLayout() const { return static_cast<ETableLayout>(noninherited_flags._table_layout); }
+    bool isFixedTableLayout() const { return tableLayout() == TFIXED && !logicalWidth().isAuto(); }
 
     const Font& font() const;
     const FontMetrics& fontMetrics() const;