Add chrome/browser/ui to the GN build.

components/feedback.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'feedback_component',
       'type': 'static_library',
       'dependencies': [
@@ skipping 27 matching lines @@
         'feedback/feedback_uploader_factory.cc',
         'feedback/feedback_uploader_factory.h',
         'feedback/feedback_util.cc',
         'feedback/feedback_util.h',
         'feedback/tracing_manager.cc',
         'feedback/tracing_manager.h',
       ],
     },
     {
       # Protobuf compiler / generate rule for feedback
+      # GN version: //components/feedback/proto
       'target_name': 'feedback_proto',
       'type': 'static_library',
       'sources': [
         'feedback/proto/annotations.proto',
         'feedback/proto/chrome.proto',
         'feedback/proto/common.proto',
         'feedback/proto/dom.proto',
         'feedback/proto/extension.proto',
         'feedback/proto/math.proto',
         'feedback/proto/web.proto',
       ],
       'variables': {
         'proto_in_dir': 'feedback/proto',
         'proto_out_dir': 'components/feedback/proto',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }