Remove display() from compositing/ LayoutTests

LayoutTests/compositing/iframes/resources/fixed-position-transformed-subframe.html

Index: LayoutTests/compositing/iframes/resources/fixed-position-transformed-subframe.html
diff --git a/LayoutTests/compositing/iframes/resources/fixed-position-transformed-subframe.html b/LayoutTests/compositing/iframes/resources/fixed-position-transformed-subframe.html
index 28bf41973c6d2626a6094e1110016c13f97c185d..8ee97a3a56a8bb2a36d2c1a4a92f967909bd8227 100644
--- a/LayoutTests/compositing/iframes/resources/fixed-position-transformed-subframe.html
+++ b/LayoutTests/compositing/iframes/resources/fixed-position-transformed-subframe.html
@@ -29,6 +29,7 @@
         -webkit-perspective: 1px;
     }
   </style>
+  <script src="../../../resources/run-after-display.js"></script>
   <script>
     if (window.testRunner) {
       testRunner.dumpAsTextWithPixelResults();
@@ -37,11 +38,15 @@
     function doTest()
     {
       if (window.testRunner)
-        testRunner.display();
-
-      // Any scroll should keep the fixed-position element where it is.
-      // If it stutters or disappears incorrectly, then the red background will be revealed.
-      window.scrollTo(0, 150);
+        testRunner.waitUntilDone();
+
+      runAfterDisplay(function() {
+        // Any scroll should keep the fixed-position element where it is.
+        // If it stutters or disappears incorrectly, then the red background will be revealed.
+        window.scrollTo(0, 150);
+        if (window.testRunner)
+          testRunner.notifyDone();
+      });
     }
 
     window.addEventListener('load', doTest, false);