CSP: 'connect-src' should not cause exceptions.

third_party/WebKit/LayoutTests/external/wpt/content-security-policy/inside-worker/support/connect-src-allow.sub.js

Index: third_party/WebKit/LayoutTests/external/wpt/content-security-policy/inside-worker/support/connect-src-allow.sub.js
diff --git a/third_party/WebKit/LayoutTests/external/wpt/content-security-policy/inside-worker/support/connect-src-allow.sub.js b/third_party/WebKit/LayoutTests/external/wpt/content-security-policy/inside-worker/support/connect-src-allow.sub.js
index 97a32179e591c3a57d50442d947948ec246e1790..7ba44e53634311ec1100a5a3aa2565ec9248ba00 100644
--- a/third_party/WebKit/LayoutTests/external/wpt/content-security-policy/inside-worker/support/connect-src-allow.sub.js
+++ b/third_party/WebKit/LayoutTests/external/wpt/content-security-policy/inside-worker/support/connect-src-allow.sub.js
@@ -15,12 +15,9 @@ async_test(t => {
   assert_no_csp_event_for_url(t, url);
 
   var xhr = new XMLHttpRequest();
-  try {
-    xhr.open("GET", url);
-    t.done();
-  } catch (e) {
-    assert_unreached();
-  }
+  xhr.open("GET", url);
+  xhr.onload = t.step_func_done();
+  xhr.onerror = t.unreached_func();
   xhr.send();
 }, "Same-origin XHR in " + self.location.protocol + self.location.search);
 
@@ -38,12 +35,9 @@ async_test(t => {
   assert_no_csp_event_for_url(t, url);
 
   var xhr = new XMLHttpRequest();
-  try {
-    xhr.open("GET", url);
-    t.done();
-  } catch (e) {
-    assert_unreached();
-  }
+  xhr.open("GET", url);
+  xhr.onload = t.step_func_done();
+  xhr.onerror = t.unreached_func();
   xhr.send();
 }, "Cross-origin XHR in " + self.location.protocol + self.location.search);