Add compiling chrome/browser to GN build on Linux.

chrome/chrome_resources.gyp

 # Copyright (c) 2012 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.
 {
   'variables': {
     'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
     'about_credits_file': '<(SHARED_INTERMEDIATE_DIR)/about_credits.html',
     'additional_modules_list_file': '<(SHARED_INTERMEDIATE_DIR)/chrome/browser/internal/additional_modules_list.txt',
     'omnibox_mojom_file': '<(SHARED_INTERMEDIATE_DIR)/chrome/browser/ui/webui/omnibox/omnibox.mojom.js',
   },
@@ skipping 283 matching lines @@
             'python',
             'browser/metrics/variations/generate_resources_map.py',
             '<(grit_out_dir)/grit/generated_resources.h',
             '<(SHARED_INTERMEDIATE_DIR)/chrome/browser/metrics/variations/generated_resources_map.cc'
           ],
           'message': 'Generating generated resources map.',
         }
       ],
     },
     {
+      # GN version: //chrome/app/resources:platform_locale_settings
       'target_name': 'platform_locale_settings',
       'type': 'none',
       'variables': {
         'conditions': [
           ['OS=="win"', {
             'platform_locale_settings_grd':
                 'app/resources/locale_settings_win.grd',
           },],
           ['OS=="linux"', {
             'conditions': [
@@ skipping 233 matching lines @@
                      '<(generator_path)',
                      'credits',
                      '<(about_credits_file)',
           ],
           'message': 'Generating about:credits',
         },
       ],
     },
   ], # targets
 }