MacViews: Implement NativeViewHostMac (take 3)

ui/views/controls/native/native_view_host_mac.cc

Index: ui/views/controls/native/native_view_host_mac.cc
diff --git a/ui/views/controls/native/native_view_host_mac.cc b/ui/views/controls/native/native_view_host_mac.cc
deleted file mode 100644
index 53bb00b7a0e3cfc8bb787e6d906109191d861534..0000000000000000000000000000000000000000
--- a/ui/views/controls/native/native_view_host_mac.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-// 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 "ui/views/controls/native/native_view_host_wrapper.h"
-
-namespace views {
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeViewHostWrapper, public:
-
-// static
-NativeViewHostWrapper* NativeViewHostWrapper::CreateWrapper(
-    NativeViewHost* host) {
-  return NULL;
-}
-
-}  // namespace views