Move task.describe to audit.define arg

third_party/WebKit/LayoutTests/webaudio/Panner/distance-exponential.html

Index: third_party/WebKit/LayoutTests/webaudio/Panner/distance-exponential.html
diff --git a/third_party/WebKit/LayoutTests/webaudio/Panner/distance-exponential.html b/third_party/WebKit/LayoutTests/webaudio/Panner/distance-exponential.html
index 37cc0c3facd91236bebf8b5d52fdeea559044bd9..2565431be2ab58c0081fbc803cbef31644cf5843 100644
--- a/third_party/WebKit/LayoutTests/webaudio/Panner/distance-exponential.html
+++ b/third_party/WebKit/LayoutTests/webaudio/Panner/distance-exponential.html
@@ -12,14 +12,19 @@
     <script>
       let audit = Audit.createTaskRunner();
 
-      audit.define("test", (task, should) => {
-          task.describe("Exponential distance model for PannerNode");
-          // Create offline audio context.
-          context = new OfflineAudioContext(2, sampleRate * renderLengthSeconds, sampleRate);
+      audit.define(
+          {
+            label: 'test',
+            description: 'Exponential distance model for PannerNode'
+          },
+          (task, should) => {
+            // Create offline audio context.
+            context = new OfflineAudioContext(
+                2, sampleRate * renderLengthSeconds, sampleRate);
 
-          createTestAndRun(context, "exponential", should)
-            .then(() => task.done());
-      });
+            createTestAndRun(context, 'exponential', should)
+                .then(() => task.done());
+          });
 
       audit.run();
     </script>