Revert "Add IDBKeyRange to dart:html, port two indexeddb tests"

tests/html/indexeddb_3_test.dart

-#library('IndexedDB3Test');
-#import('../../lib/unittest/unittest.dart');
-#import('../../lib/unittest/html_config.dart');
-#import('dart:html');
-
-// Read with cursor.
-
-final String DB_NAME = 'Test';
-final String STORE_NAME = 'TEST';
-final String VERSION = '1';
-
-class Test {
-  var db;
-
-  start() {
-    var request = window.webkitIndexedDB.open(DB_NAME);
-    Expect.isNotNull(request);
-    request.on.success.add(initDb);
-    request.on.error.add(fail('open'));
-  }
-
-  initDb(e) {
-    db = e.target.result;
-    // TODO.  Some browsers do this the w3 way - passing the VERSION to the
-    // open call and listening to onversionchange.  Can we feature-detect the
-    // difference and make it work?
-    var request = db.setVersion(VERSION);
-    request.on.success.add((e) {
-        try {
-          // Nuke object store if it already exists.
-          db.deleteObjectStore(STORE_NAME);
-        } catch (IDBDatabaseException e) { }
-        db.createObjectStore(STORE_NAME);
-        writeItems(0);
-      });
-    //request.on.blocked.add(fail('setVersion blocked'));
-    request.on.error.add(fail('setVersion error'));
-  }
-
-  writeItems(int index) {
-    if (index < 100) {
-      var transaction = db.transaction([STORE_NAME], IDBTransaction.READ_WRITE);
-      var request = transaction.objectStore(STORE_NAME)
-          .put('Item $index', index);
-      request.on.success.add((e) { writeItems(index + 1); });
-      request.on.error.add(fail('put'));
-    } else {
-      callbackDone();
-    }
-  }
-
-  fail(message) => (e) {
-    callbackDone();
-    Expect.fail('IndexedDB failure: $message');
-  };
-
-  readAllViaCursor() {
-    IDBTransaction txn = db.transaction(STORE_NAME, IDBTransaction.READ_ONLY);
-    IDBObjectStore objectStore = txn.objectStore(STORE_NAME);
-    IDBRequest cursorRequest = objectStore.openCursor();
-    int itemCount = 0;
-    int sumKeys = 0;
-    int lastKey = null;
-    cursorRequest.on.success.add((e) {
-        var cursor = e.target.result;
-        if (cursor != null) {
-          lastKey = cursor.key;
-          itemCount += 1;
-          sumKeys += cursor.key;
-          Expect.equals('Item ${cursor.key.toStringAsFixed(0)}', cursor.value);
-          cursor.continueFunction();
-        } else {
-          // Done
-          Expect.equals(99, lastKey);
-          Expect.equals(100, itemCount);
-          Expect.equals((100 * 99) ~/ 2, sumKeys);
-          callbackDone();
-        }
-      });
-    cursorRequest.on.error.add(fail('openCursor'));
-  }
-
-  readAllReversedViaCursor() {
-    IDBTransaction txn = db.transaction(STORE_NAME, IDBTransaction.READ_ONLY);
-    IDBObjectStore objectStore = txn.objectStore(STORE_NAME);
-    // TODO: create a IDBKeyRange(0,100)
-    IDBRequest cursorRequest = objectStore.openCursor(null, IDBCursor.PREV);
-    int itemCount = 0;
-    int sumKeys = 0;
-    int lastKey = null;
-    cursorRequest.on.success.add((e) {
-        var cursor = e.target.result;
-        if (cursor != null) {
-          lastKey = cursor.key;
-          itemCount += 1;
-          sumKeys += cursor.key;
-          Expect.equals('Item ${cursor.key}', cursor.value);
-          cursor.continueFunction();
-        } else {
-          // Done
-          Expect.equals(0, lastKey);  // i.e. first key (scanned in reverse).
-          Expect.equals(100, itemCount);
-          Expect.equals((100 * 99) ~/ 2, sumKeys);
-          callbackDone();
-        }
-      });
-    cursorRequest.on.error.add(fail('openCursor'));
-  }
-}
-
-main() {
-  useHtmlConfiguration();
-
-  var test = new Test();
-  asyncTest('prepare', 1, test.start);
-  asyncTest('readAll1', 1, test.readAllViaCursor);
-  asyncTest('readAll2', 1, test.readAllReversedViaCursor);
-}