Revert of [css-grid] Implement auto-repeat computation

third_party/WebKit/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl

Index: third_party/WebKit/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
diff --git a/third_party/WebKit/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl b/third_party/WebKit/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
index aeff0fd36cae6b5b4858cefe4c1b9a82bd80f428..6097cfc834b529a62c08b9e1d87197d84c4d0bdd 100644
--- a/third_party/WebKit/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
+++ b/third_party/WebKit/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
@@ -475,11 +475,13 @@
     state.style()->setGridTemplate{{type}}s(trackSizes);
     state.style()->setNamedGrid{{type}}Lines(namedGridLines);
     state.style()->setOrderedNamedGrid{{type}}Lines(orderedNamedGridLines);
-    state.style()->setGridAutoRepeat{{type}}s(autoRepeatTrackSizes);
-    state.style()->setGridAutoRepeat{{type}}sInsertionPoint(autoRepeatInsertionPoint);
-    state.style()->setAutoRepeatNamedGrid{{type}}Lines(autoRepeatNamedGridLines);
-    state.style()->setAutoRepeatOrderedNamedGrid{{type}}Lines(autoRepeatOrderedNamedGridLines);
-    state.style()->setGridAutoRepeatType(autoRepeatType);
+    if (autoRepeatTrackSizes.size()) {
+        state.style()->setGridAutoRepeat{{type}}s(autoRepeatTrackSizes);
+        state.style()->setGridAutoRepeat{{type}}sInsertionPoint(autoRepeatInsertionPoint);
+        state.style()->setAutoRepeatNamedGrid{{type}}Lines(autoRepeatNamedGridLines);
+        state.style()->setAutoRepeatOrderedNamedGrid{{type}}Lines(autoRepeatOrderedNamedGridLines);
+        state.style()->setGridAutoRepeatType(autoRepeatType);
+    }
 }
 {% endmacro %}
 {{apply_grid_template('CSSPropertyGridTemplateColumns', 'Column')}}