Don't always full invalidate on change of align-content, align-items and align-self.

Source/core/rendering/style/RenderStyle.cpp

Index: Source/core/rendering/style/RenderStyle.cpp
diff --git a/Source/core/rendering/style/RenderStyle.cpp b/Source/core/rendering/style/RenderStyle.cpp
index 4520cb2d81a2b71f2f3b18d916bbd329d1cad4de..6c5d92e353290c20d657bea682c58708ef1468f8 100644
--- a/Source/core/rendering/style/RenderStyle.cpp
+++ b/Source/core/rendering/style/RenderStyle.cpp
@@ -441,9 +441,6 @@ bool RenderStyle::diffNeedsFullLayoutAndPaintInvalidation(const RenderStyle& oth
             || rareNonInheritedData->m_wrapThrough != other.rareNonInheritedData->m_wrapThrough
             || rareNonInheritedData->m_shapeMargin != other.rareNonInheritedData->m_shapeMargin
             || rareNonInheritedData->m_order != other.rareNonInheritedData->m_order
-            || rareNonInheritedData->m_alignContent != other.rareNonInheritedData->m_alignContent
-            || rareNonInheritedData->m_alignItems != other.rareNonInheritedData->m_alignItems
-            || rareNonInheritedData->m_alignSelf != other.rareNonInheritedData->m_alignSelf
             || rareNonInheritedData->m_justifyContent != other.rareNonInheritedData->m_justifyContent
             || rareNonInheritedData->m_grid.get() != other.rareNonInheritedData->m_grid.get()
             || rareNonInheritedData->m_gridItem.get() != other.rareNonInheritedData->m_gridItem.get()
@@ -618,6 +615,13 @@ bool RenderStyle::diffNeedsFullLayout(const RenderStyle& other) const
             return true;
     }
 
+    if (rareNonInheritedData.get() != other.rareNonInheritedData.get()) {
+        if (rareNonInheritedData->m_alignContent != other.rareNonInheritedData->m_alignContent
+            || rareNonInheritedData->m_alignItems != other.rareNonInheritedData->m_alignItems
+            || rareNonInheritedData->m_alignSelf != other.rareNonInheritedData->m_alignSelf)
+            return true;
+    }
+
     return false;
 }