Fix lazy test result printing.

third_party/WebKit/LayoutTests/intersection-observer/helper-functions.js

Index: third_party/WebKit/LayoutTests/intersection-observer/helper-functions.js
diff --git a/third_party/WebKit/LayoutTests/intersection-observer/helper-functions.js b/third_party/WebKit/LayoutTests/intersection-observer/helper-functions.js
index ba3a14aa673a7f8c310b950c4972efd8a3ca6948..2aa6ecce92f07bd78915da93bb56ae948c3b19a3 100644
--- a/third_party/WebKit/LayoutTests/intersection-observer/helper-functions.js
+++ b/third_party/WebKit/LayoutTests/intersection-observer/helper-functions.js
@@ -2,14 +2,7 @@
 // enough to screw with frame offsets that are measured by the test.  Delay all that
 // jazz until the actual test code is finished.
 setPrintTestResultsLazily();
-var delayDescription = description;
-var descriptionString = "";
-var delayIsSuccessfullyParsed = isSuccessfullyParsed;
-var isSuccessfullyParsed = function() {}
-var description = function(msg) { descriptionString = msg }
-
-if (window.testRunner)
-  testRunner.waitUntilDone();
+self.jsTestIsAsync = true;
 
 function rectToString(rect) {
   return "[" + rect.left + ", " + rect.right + ", " + rect.top + ", " + rect.bottom + "]";
@@ -26,12 +19,3 @@ function entryToString(entry) {
       "target=" + entry.target + "\n" +
       "time=" + entry.time);
 }
-
-function finishTest() {
-  if (descriptionString)
-    delayDescription(descriptionString);
-  delayIsSuccessfullyParsed();
-  finishJSTest();
-  if (window.testRunner)
-    testRunner.notifyDone();
-}