views: Finally get rid of the deprecated Menu2 API.

ui/views/controls/menu/menu_insertion_delegate.h

Index: ui/views/controls/menu/menu_insertion_delegate.h
diff --git a/ui/views/controls/menu/menu_insertion_delegate.h b/ui/views/controls/menu/menu_insertion_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..b2c91f7b4854bfbefde838052861f4bccc9cc104
--- /dev/null
+++ b/ui/views/controls/menu/menu_insertion_delegate.h
@@ -0,0 +1,21 @@
+// Copyright 2013 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.
+
+#ifndef UI_VIEWS_CONTROLS_MENU_INSERTION_DELEGATE_H_
+#define UI_VIEWS_CONTROLS_MENU_INSERTION_DELEGATE_H_
+
+namespace views {
+
+class MenuInsertionDelegate {
+ public:
+  // Returns the index to insert items into the menu at.
+  virtual int GetInsertionIndex(HMENU native_menu) = 0;
+
+ protected:
+  virtual ~MenuInsertionDelegate() {}
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_CONTROLS_MENU_INSERTION_DELEGATE_H_