[DevTools] Add "remoteModules" experiment.

Source/devtools/devtools.gyp

 #
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #         * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #         * Redistributions in binary form must reproduce the above
@@ skipping 77 matching lines @@
                         'relative_path_dirs': [
                             '<(PRODUCT_DIR)/resources/inspector',
                             'front_end'
                         ],
                         'static_files': [
                             # Intentionally empty. Should get rebuilt when switching from debug_devtools==1.
                         ],
                         'devtools_static_files_list': '<|(devtools_static_grd_files.tmp <@(_static_files))',
                         'generated_files': [
                             # Core and remote modules should not be listed here.
+                            # TODO(dgozman): remove remote modules from here once experiment is over.
                             '<(PRODUCT_DIR)/resources/inspector/devtools.css',
                             '<(PRODUCT_DIR)/resources/inspector/devtools.html',
                             '<(PRODUCT_DIR)/resources/inspector/devtools.js',
                             '<(PRODUCT_DIR)/resources/inspector/inspector.css',
                             '<(PRODUCT_DIR)/resources/inspector/inspector.html',
                             '<(PRODUCT_DIR)/resources/inspector/inspector.js',
                             '<(PRODUCT_DIR)/resources/inspector/toolbox.css',
                             '<(PRODUCT_DIR)/resources/inspector/toolbox.html',
                             '<(PRODUCT_DIR)/resources/inspector/toolbox.js',
                             '<(PRODUCT_DIR)/resources/inspector/accessibility_module.js',
@@ skipping 272 matching lines @@
                         ],
                         'search_path': [ 'front_end' ],
                         'outputs': ['<(PRODUCT_DIR)/resources/inspector/toolbox.css'],
                         'action': ['python', '<@(_script_name)', '<@(_input_stylesheet)', '<@(_outputs)'],
                     }],
                 },
             ],
         }],
     ], # conditions
 }