Cleanup: Remove Dispatcher and UserScript classes from builds where extensions are disabled.

extensions/extensions.gyp

 # Copyright 2013 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': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 878 matching lines @@
       'msvs_disabled_warnings': [ 4267, ],
       'conditions': [
         # Temporary conditions for Android until it can stop building
         # the extensions module altogether. These exemptions are taken
         # directly from chrome_renderer.gypi as sources are moved
         # from //chrome/renderer to //extensions/renderer.
         ['OS == "android"', {
           'sources!': [
             'renderer/api_definitions_natives.cc',
             'renderer/context_menus_custom_bindings.cc',
+            'renderer/dispatcher.cc',
+            'renderer/dispatcher.h',
             'renderer/render_view_observer_natives.cc',
             'renderer/send_request_natives.cc',
+            'renderer/user_script_injector.cc',
+            'renderer/user_script_injector.h',
+            'renderer/user_script_set.cc',
+            'renderer/user_script_set.h',
+            'renderer/user_script_set_manager.cc',
+            'renderer/user_script_set_manager.h',
           ],
         }],
       ]
     },
     {
       # GN version: //extensions:test_support
       'target_name': 'extensions_test_support',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
@@ skipping 240 matching lines @@
           'browser/api/cast_channel/logging.proto'
       ],
       'variables': {
           'proto_in_dir': 'browser/api/cast_channel',
           'proto_out_dir': 'extensions/browser/api/cast_channel',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ]
 }