Revert "Add tests for Element#elements."

client/html/src/_Lists.dart

Index: client/html/src/_Lists.dart
diff --git a/client/html/src/_Lists.dart b/client/html/src/_Lists.dart
new file mode 100644
index 0000000000000000000000000000000000000000..d4e8824c44c9b241e93e2b849dba672b42132404
--- /dev/null
+++ b/client/html/src/_Lists.dart
@@ -0,0 +1,51 @@
+// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// TODO(jacobr): move into a core library or at least merge with the copy
+// in client/dom/src
+class _Lists {
+
+  /**
+   * Returns the index in the array [a] of the given [element], starting
+   * the search at index [startIndex] to [endIndex] (exclusive).
+   * Returns -1 if [element] is not found.
+   */
+  static int indexOf(List a,
+                     Object element,
+                     int startIndex,
+                     int endIndex) {
+    if (startIndex >= a.length) {
+      return -1;
+    }
+    if (startIndex < 0) {
+      startIndex = 0;
+    }
+    for (int i = startIndex; i < endIndex; i++) {
+      if (a[i] == element) {
+        return i;
+      }
+    }
+    return -1;
+  }
+
+  /**
+   * Returns the last index in the array [a] of the given [element], starting
+   * the search at index [startIndex] to 0.
+   * Returns -1 if [element] is not found.
+   */
+  static int lastIndexOf(List a, Object element, int startIndex) {
+    if (startIndex < 0) {
+      return -1;
+    }
+    if (startIndex >= a.length) {
+      startIndex = a.length - 1;
+    }
+    for (int i = startIndex; i >= 0; i--) {
+      if (a[i] == element) {
+        return i;
+      }
+    }
+    return -1;
+  }
+}