Image Capture layouttests: correct mockImageCaptureReady error callback

third_party/WebKit/LayoutTests/imagecapture/setoptions.html

Index: third_party/WebKit/LayoutTests/imagecapture/setoptions.html
diff --git a/third_party/WebKit/LayoutTests/imagecapture/setoptions.html b/third_party/WebKit/LayoutTests/imagecapture/setoptions.html
index f33ad649c044dfb6f59de052de21958a81caacc0..7d04b0b9653683226ee58bac85d029b155828823 100644
--- a/third_party/WebKit/LayoutTests/imagecapture/setoptions.html
+++ b/third_party/WebKit/LayoutTests/imagecapture/setoptions.html
@@ -43,8 +43,8 @@ async_test(function(t) {
     .then(mock => {
       theMock = mock;
       return new ImageCapture(stream.getVideoTracks()[0]);
-    })
-    .catch(error => {
+    },
+    error => {
       assert_unreached("Error creating MockImageCapture: " + error);
     })
     .then(capturer => {
@@ -109,8 +109,8 @@ async_test(function(t) {
       t.done();
     })
     .catch(error => {
-      assert_unreached("Error during setOptions(): " + error);
+      assert_unreached("Error during setOptions(): " + error.message);
     });
-}, 'exercises the ImageCapture API setOptions()');
+}, 'exercises ImageCapture.setOptions(options)');
 
 </script>