Disable display: contents in SVG.

third_party/WebKit/LayoutTests/svg/css/display.html

Index: third_party/WebKit/LayoutTests/svg/css/display.html
diff --git a/third_party/WebKit/LayoutTests/svg/css/display.html b/third_party/WebKit/LayoutTests/svg/css/display.html
index 651f96e183072ee31f233a4d4ea1bd2c56af9de6..e76eec27482229dcc164c9e740b8842396a0111c 100644
--- a/third_party/WebKit/LayoutTests/svg/css/display.html
+++ b/third_party/WebKit/LayoutTests/svg/css/display.html
@@ -14,6 +14,7 @@ svg {
 #t4 { display: inline-table; }
 #t5 { display: table; }
 #t6 { display: table-cell; }
+#t7 { display: contents; }
 </style>
 <svg id="t1"></svg>
 <svg id="t2"></svg>
@@ -24,3 +25,4 @@ svg {
     &nbsp;
     <svg id="t6"></svg>
 </div>
+<svg id="t7"></svg>