[css-contain] Update wpt references

Author: frivoal

css-contain-1/Overview.bs

@@ -71,6 +71,9 @@ Strong Containment: the 'contain' property</h2>
 	<wpt>
 	contain-animation-001.html
 	inheritance.html
+	parsing/contain-computed.html
+	parsing/contain-invalid.html
+	parsing/contain-valid.html
 	</wpt>
 
 	<p class=all-media>User Agents are expected to support this property on all media, including non-visual ones.</p>
@@ -471,6 +474,11 @@ Layout Containment</h3>
 		contain-layout-button-001.html
 		contain-layout-flexbox-001.html
 		contain-layout-grid-001.html
+		contain-layout-baseline-002.html
+		contain-layout-baseline-003.html
+		contain-layout-baseline-003.html
+		contain-layout-baseline-004.html
+		contain-layout-baseline-005.html
 		</wpt>
 
 	Possible optimizations that can be enabled by <a>layout containment</a> include (but are not limited to):