Fire window.onerror for uncaught IndexedDB errors

LayoutTests/resources/js-test.js

Index: LayoutTests/resources/js-test.js
diff --git a/LayoutTests/resources/js-test.js b/LayoutTests/resources/js-test.js
index 985f49f60213af05b1b00cecc02f42134f2cdeb7..726ffbd45074e3eff5ee8419acb8c28ed2e65716 100644
--- a/LayoutTests/resources/js-test.js
+++ b/LayoutTests/resources/js-test.js
@@ -8,7 +8,7 @@ if (self.testRunner) {
 
 var description, debug, successfullyParsed;
 
-var expectingError; // set by shouldHaveError()
+var expectingError; // set by expectError()
 var expectedErrorMessage; // set by onerror when expectingError is true
 var unexpectedErrorMessage; // set by onerror when expectingError is not true
 
@@ -101,7 +101,8 @@ var unexpectedErrorMessage; // set by onerror when expectingError is not true
             if (self.expectingError) {
                 self.expectedErrorMessage = message;
                 self.expectingError = false;
-                return;
+                // Consume expected error in worker, so window doesn't fail the test.
+                return isWorker();
             }
             self.unexpectedErrorMessage = message;
             if (self.jsTestIsAsync) {
@@ -631,7 +632,7 @@ function shouldBeNow(a, delta)
 function expectError()
 {
     if (expectingError) {
-        testFailed("shouldHaveError() called twice before an error occurred!");
+        testFailed("expectError() called twice before an error occurred!");
     }
     expectingError = true;
 }