Import Mozilla's IndexedDB getAll/getAllKeys tests

LayoutTests/storage/indexeddb/mozilla/resources/getAll_test_adapter.js

+'use strict';
+
+// Adapter for Mozilla's getAll tests to Blink's js-test.
+
+var jsTestIsAsync = true;
+
+// Moz tests are still prefixed
+IDBObjectStore.prototype.mozGetAll = IDBObjectStore.prototype.getAll;
+IDBObjectStore.prototype.mozGetAllKeys = IDBObjectStore.prototype.getAllKeys;
+IDBIndex.prototype.mozGetAll = IDBIndex.prototype.getAll;
+IDBIndex.prototype.mozGetAllKeys = IDBIndex.prototype.getAllKeys;
+
+function errorHandler(e) {
+    testFailed("Unexpected error: " + e.type + " - " + e.message);
+    finishJSTest();
+}
+function ok(t, message) {
+    if (!t) {
+        testFailed(message);
+        finishJSTest();
+    } else {
+        testPassed(message);
+    }
+}
+function is(a, b, message) {
+    ok(Object.is(a, b), message);
+}
+function grabEventAndContinueHandler(e) {
+    testGenerator.next(e);
+}
+function executeSoon(f) {
+    setTimeout(f, 0);
+}
+function finishTest() {
+    finishJSTest();
+}
+function unexpectedSuccessHandler(e) {
+    ok(false, "Unexpected success");
+}
+function info(message) {
+    debug(message);
+}
+testGenerator.next();