Add overrides for BookmarkModel clipboard interface on iOS

components/bookmarks/core/browser/bookmark_node_data_ios.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/bookmarks/core/browser/bookmark_node_data.h"
+
+#include "base/logging.h"
+
+// static
+bool BookmarkNodeData::ClipboardContainsBookmarks() {
+  NOTREACHED();
+  return false;
+}
+
+void BookmarkNodeData::WriteToClipboard(ui::ClipboardType type) {
+  NOTREACHED();
+}
+
+bool BookmarkNodeData::ReadFromClipboard(ui::ClipboardType type) {
+  NOTREACHED();
+  return false;
+}