Download SwiftShader component if WebGL is blacklisted

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 818 matching lines @@
         'browser/component_updater/component_updater_configurator.h',
         'browser/component_updater/component_unpacker.cc',
         'browser/component_updater/component_unpacker.h',
         'browser/component_updater/component_updater_service.cc',
         'browser/component_updater/component_updater_service.h',
         'browser/component_updater/flash_component_installer.h',
         'browser/component_updater/npapi_flash_component_installer.cc',
         'browser/component_updater/pepper_flash_component_installer.cc',
         'browser/component_updater/recovery_component_installer.cc',
         'browser/component_updater/recovery_component_installer.h',
+        'browser/component_updater/swiftshader_component_installer.cc',
+        'browser/component_updater/swiftshader_component_installer.h',
         'browser/content_settings/content_settings_default_provider.cc',
         'browser/content_settings/content_settings_default_provider.h',
         'browser/content_settings/content_settings_details.cc',
         'browser/content_settings/content_settings_details.h',
         'browser/content_settings/content_settings_extension_provider.cc',
         'browser/content_settings/content_settings_extension_provider.h',
         'browser/content_settings/content_settings_observable_provider.cc',
         'browser/content_settings/content_settings_observable_provider.h',
         'browser/content_settings/content_settings_observer.h',
         'browser/content_settings/content_settings_origin_identifier_value_map.cc',
@@ skipping 4399 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/history/in_memory_url_index_cache.proto' ],
       'variables': {
         'proto_in_dir': 'browser/history',
         'proto_out_dir': 'chrome/browser/history',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }