Fire window.onerror for uncaught IndexedDB errors

LayoutTests/storage/indexeddb/resources/transaction-error.js

Index: LayoutTests/storage/indexeddb/resources/transaction-error.js
diff --git a/LayoutTests/storage/indexeddb/resources/transaction-error.js b/LayoutTests/storage/indexeddb/resources/transaction-error.js
index e0a9cb5d2b13f97ea5ce8b42e4376400980b0682..0d5ca15940585f6f23c850a04b8430cc39924d90 100644
--- a/LayoutTests/storage/indexeddb/resources/transaction-error.js
+++ b/LayoutTests/storage/indexeddb/resources/transaction-error.js
@@ -46,6 +46,7 @@ function testErrorFromRequest()
     evalAndLog("request = trans.objectStore('storeName').add('value2', 'key')");
     request.onsuccess = unexpectedSuccessCallback;
     request.onerror = function() {
+        expectError();
         shouldBeUndefined("request.result");
         shouldBeNonNull("request.error");
         shouldBe("request.error.name", "'ConstraintError'");
@@ -58,6 +59,7 @@ function testErrorFromRequest()
         debug("trans.error.message = " + trans.error.message);
         shouldBeNonNull("trans.error.message");
         shouldBe("trans.error", "request_error");
+
         testErrorFromException();
     };
 }
@@ -92,6 +94,7 @@ function testErrorFromException()
         debug("trans.error.message = " + trans.error.message);
         shouldBeNonNull("trans.error.message");
         shouldBe("trans.error.name", "'AbortError'");
+
         testErrorFromCommit();
     };
 }