Use runAfterLayoutAndPaint instead of requestAnimationFrame and

third_party/WebKit/LayoutTests/fast/events/touch/touch-rect-crash-on-unpromote-layer.html

Index: third_party/WebKit/LayoutTests/fast/events/touch/touch-rect-crash-on-unpromote-layer.html
diff --git a/third_party/WebKit/LayoutTests/fast/events/touch/touch-rect-crash-on-unpromote-layer.html b/third_party/WebKit/LayoutTests/fast/events/touch/touch-rect-crash-on-unpromote-layer.html
index 3779f3cda128cf0a7ad687050714352ce469a51b..f9c7839b2a48026cc7b680408dffb6b8e7ae9283 100644
--- a/third_party/WebKit/LayoutTests/fast/events/touch/touch-rect-crash-on-unpromote-layer.html
+++ b/third_party/WebKit/LayoutTests/fast/events/touch/touch-rect-crash-on-unpromote-layer.html
@@ -18,6 +18,7 @@
 <div id="console"></div>
 
 <script src="../../../resources/js-test.js"></script>
+<script src="../../../resources/run-after-layout-and-paint.js"></script>
 <script>
   jsTestIsAsync = true;
   description("Make sure we don't crash when a layer with a touch event handler becomes non-composited");
@@ -39,16 +40,14 @@
   layer.className = '';
 
   // Verify we now have a hit rect on the document after waiting a frame.

[majidvp, 2017/01/03 18:22:14]

nit: this comment is not longer accurate because we are not waiting for a frame
but rather a layout & paint phase. Please update to reflect this.

[Dan Elphick, 2017/01/04 09:22:29]

Done.

-  setTimeout(function() {
-    window.requestAnimationFrame(function() {
-      if (window.internals) {
-        rects = window.internals.touchEventTargetLayerRects(document);
-        shouldBe("rects.length", "1");
-        shouldBeEqualToString("rects[0].layerAssociatedNode.nodeName", "#document");
-      }
-      finishJSTest();
-    });
-  }, 0);
+  runAfterLayoutAndPaint(function() {
+    if (window.internals) {
+      rects = window.internals.touchEventTargetLayerRects(document);
+      shouldBe("rects.length", "1");
+      shouldBeEqualToString("rects[0].layerAssociatedNode.nodeName", "#document");
+    }
+    finishJSTest();
+  });
 </script>
 </body>
 </html>