De-flake word-break-break-all-in-span.html

third_party/WebKit/LayoutTests/fast/css3-text/css3-word-break/word-break-break-all-in-span-expected.html

Index: third_party/WebKit/LayoutTests/fast/css3-text/css3-word-break/word-break-break-all-in-span-expected.html
diff --git a/third_party/WebKit/LayoutTests/fast/css3-text/css3-word-break/word-break-break-all-in-span-expected.html b/third_party/WebKit/LayoutTests/fast/css3-text/css3-word-break/word-break-break-all-in-span-expected.html
index 8f02f479362c59dc312f988264e528e1563c3676..4bade6c134743fe3688f86499bf6bd96723d84fc 100644
--- a/third_party/WebKit/LayoutTests/fast/css3-text/css3-word-break/word-break-break-all-in-span-expected.html
+++ b/third_party/WebKit/LayoutTests/fast/css3-text/css3-word-break/word-break-break-all-in-span-expected.html
@@ -33,3 +33,11 @@ div {
   <div>AAAAA<br>A<span class="break-all">XXXX</span></div>
   <div>国国国国<br>国、<span class="break-all">XXX</span></div>
 </body>
+<script>
+if (window.testRunner) {
+    testRunner.waitUntilDone();
+    window.onload = function () {
+        document.fonts.ready.then(function () { testRunner.notifyDone(); });
+    };
+}
+</script>