MD Settings: About page, porting C++ handler and adding browser proxy.

chrome/browser/resources/settings/about_page/compiled_resources2.gyp

 # 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.
 {
   'targets': [
     {
       'target_name': 'about_page',
       'dependencies': [
       ],
       'includes': ['../../../../../third_party/closure_compiler/compile_js2.gypi'],
     },
+    {
+      'target_name': 'about_page_browser_proxy',
+      'dependencies': [
+        '<(DEPTH)/ui/webui/resources/js/compiled_resources2.gyp:cr',
+        '<(EXTERNS_GYP):chrome_send',
+      ],
+      'includes': ['../../../../../third_party/closure_compiler/compile_js2.gypi'],
+    },
   ],
 }