[css-grid] Only force full invalidation when grid item data change

third_party/WebKit/LayoutTests/fast/repaint/justify-self-change-keeping-geometry-expected.html

Index: third_party/WebKit/LayoutTests/fast/repaint/justify-self-change-keeping-geometry-expected.html
diff --git a/third_party/WebKit/LayoutTests/fast/repaint/justify-self-change-keeping-geometry-expected.html b/third_party/WebKit/LayoutTests/fast/repaint/justify-self-change-keeping-geometry-expected.html
index 2d1043b64b69bd9e4ddb170dc152bf66d21fd2af..ab83a013fe89a7adc95df919f860d7fac615d011 100644
--- a/third_party/WebKit/LayoutTests/fast/repaint/justify-self-change-keeping-geometry-expected.html
+++ b/third_party/WebKit/LayoutTests/fast/repaint/justify-self-change-keeping-geometry-expected.html
@@ -15,6 +15,7 @@ body {
   grid-column: 1;
   justify-self: start;
   background-color: green;
+  height: 300px;
   width: 100px;
 }
 .item2 {
@@ -22,10 +23,23 @@ body {
   grid-column: 2;
   justify-self: start;
   background-color: green;
-  width: 100px;
+  height: 300px;
+  width: 50px;
+}
+.item3 {
+  grid-row: 1;
+  grid-column: 2;
+  background-color: green;
+  justify-self: end;
+  height: 300px;
+  width: 50px;
+}
 </style>
 <p style="height: 20px">There should be no invalidations because justify-self style change causes no visual change.</p>
 <div id="container">
-  <div class="item1"></div>
+  <div class="item1">
+    <div style="width: 100px;"></div>
+  </div>
   <div class="item2"></div>
+  <div class="item3"></div>
 </div>