Show Ash like <select> popup on Android tablets

ui/android/java/src/org/chromium/ui/DropdownItem.java

Index: ui/android/java/src/org/chromium/ui/DropdownItem.java
diff --git a/ui/android/java/src/org/chromium/ui/DropdownItem.java b/ui/android/java/src/org/chromium/ui/DropdownItem.java
new file mode 100644
index 0000000000000000000000000000000000000000..46d8d0e215318974131233e888892e772f7f0492
--- /dev/null
+++ b/ui/android/java/src/org/chromium/ui/DropdownItem.java
@@ -0,0 +1,27 @@
+// 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.
+
+package org.chromium.ui;
+
+/**
+ * Dropdown item interface used to access all the information needed to show the item.
+ */
+public interface DropdownItem {
+    /**
+     * Returns the label that should be shown in the dropdown.
+     */
+    String getLabel();
+    /**
+     * Returns the sublabel that should be shown in the dropdown.
+     */
+    String getSublabel();
+    /**
+     * Returns true if the item should be enabled in the dropdown.
+     */
+    boolean isEnabled();
+    /**
+     * Returns true if the item should be a group header in the dropdown.
+     */
+    boolean isGroupHeader();
+}