[css-grid] Store lines instead of tracks in GridResolvedPosition

third_party/WebKit/Source/core/css/CSSGridTemplateAreasValue.cpp

Index: third_party/WebKit/Source/core/css/CSSGridTemplateAreasValue.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSGridTemplateAreasValue.cpp b/third_party/WebKit/Source/core/css/CSSGridTemplateAreasValue.cpp
index f5ea076384dd715a87b31811677d1fe5501e6b7c..42e0bad472b98783ae6ac5c9dceb26982311ce89 100644
--- a/third_party/WebKit/Source/core/css/CSSGridTemplateAreasValue.cpp
+++ b/third_party/WebKit/Source/core/css/CSSGridTemplateAreasValue.cpp
@@ -51,13 +51,13 @@ static String stringForPosition(const NamedGridAreaMap& gridAreaMap, size_t row,
 
     for (const auto& item : gridAreaMap) {
         const GridCoordinate& coordinate = item.value;
-        if (row >= coordinate.rows.resolvedInitialPosition.toInt() && row <= coordinate.rows.resolvedFinalPosition.toInt())
+        if (row >= coordinate.rows.resolvedInitialPosition.toInt() && row < coordinate.rows.resolvedFinalPosition.toInt())
             candidates.append(item.key);
     }
 
     for (const auto& item : gridAreaMap) {
         const GridCoordinate& coordinate = item.value;
-        if (column >= coordinate.columns.resolvedInitialPosition.toInt() && column <= coordinate.columns.resolvedFinalPosition.toInt() && candidates.contains(item.key))
+        if (column >= coordinate.columns.resolvedInitialPosition.toInt() && column < coordinate.columns.resolvedFinalPosition.toInt() && candidates.contains(item.key))
             return item.key;
     }