Migrate the one-time notice into the MD settings CBD dialog

chrome/browser/resources/settings/clear_browsing_data_dialog/other_forms_of_browsing_history_notice.js

Index: chrome/browser/resources/settings/clear_browsing_data_dialog/other_forms_of_browsing_history_notice.js
diff --git a/chrome/browser/resources/settings/clear_browsing_data_dialog/other_forms_of_browsing_history_notice.js b/chrome/browser/resources/settings/clear_browsing_data_dialog/other_forms_of_browsing_history_notice.js
new file mode 100644
index 0000000000000000000000000000000000000000..8149fbf73eefc66a6ae6a305430d0a5ece98bb17
--- /dev/null
+++ b/chrome/browser/resources/settings/clear_browsing_data_dialog/other_forms_of_browsing_history_notice.js
@@ -0,0 +1,28 @@
+// Copyright 2016 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.
+
+/**
+ * @fileoverview 'settings-other-forms-of-browsing-history-notice' is
+ * a dialog shown inside settings-clear-browsing-data-dialog to inform
+ * the user about the existence of other forms of browsing history in
+ * their account, if applicable.
+ */
+Polymer({
+  is: 'settings-other-forms-of-browsing-history-notice',
+
+  /** @override */
+  ready: function() {
+    this.$.dialog.open();
+  },
+
+  /**
+   * Tap handler for the "OK" buton.
+   * @private
+   */
+  onOkTap_: function() {
+    this.$.dialog.close();
+    this.fire('closed');
+  }
+});
+