[css-grid] Remove redundant setNeedsLayout() call

third_party/WebKit/Source/core/layout/LayoutGrid.cpp

Index: third_party/WebKit/Source/core/layout/LayoutGrid.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutGrid.cpp b/third_party/WebKit/Source/core/layout/LayoutGrid.cpp
index ec13d1934a0da3df498bbfaa44792491e7bfb277..9d220b0829b077c4b5fe8f13eeb871b10a56cc08 100644
--- a/third_party/WebKit/Source/core/layout/LayoutGrid.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutGrid.cpp
@@ -1791,13 +1791,6 @@ void LayoutGrid::dirtyGrid()
     if (m_gridIsDirty)
         return;
 
-    // Even if this could be redundant, it could be seen as a defensive strategy against
-    // style changes events happening during the layout phase or even while the painting process
-    // is still ongoing.
-    // Forcing a new layout for the Grid layout would cancel any ongoing painting and ensure
-    // the grid and its children are correctly laid out according to the new style rules.
-    setNeedsLayout(LayoutInvalidationReason::GridChanged);
-
     m_grid.resize(0);
     m_gridItemArea.clear();
     m_gridItemsOverflowingGridArea.resize(0);