DevTools: [SASS] introduce sass module, implement SCSS AST-builder.

third_party/WebKit/Source/devtools/devtools.gypi

 #
 # 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 25 matching lines @@
         # This list should contain all "autostart" modules from all apps.
         'devtools_core_files': [
             '<@(devtools_bindings_js_files)',
             '<@(devtools_common_js_files)',
             '<@(devtools_components_js_files)',
             '<@(devtools_core_base_files)',
             '<@(devtools_emulation_js_files)',
             '<@(devtools_host_js_files)',
             '<@(devtools_main_js_files)',
             '<@(devtools_platform_js_files)',
+            '<@(devtools_sass_js_files)',
             '<@(devtools_sdk_js_files)',
             '<@(devtools_toolbox_bootstrap_js_files)',
             '<@(devtools_ui_js_files)',
             '<@(devtools_workspace_js_files)',
             '<@(devtools_core_css_files)',
         ],
         'devtools_compatibility_scripts': [
             'front_end/devtools.js',
         ],
         'devtools_core_base_files': [
@@ skipping 63 matching lines @@
             'front_end/components/EventListenersView.js',
             'front_end/components/Reload.js',
         ],
         'devtools_host_js_files': [
             'front_end/host/InspectorFrontendHostAPI.js',
             'front_end/host/InspectorFrontendHost.js',
             'front_end/host/Platform.js',
             'front_end/host/ResourceLoader.js',
             'front_end/host/UserMetrics.js',
         ],
+        'devtools_sass_js_files': [
+            'front_end/sass/SASSSupport.js',
+        ],
         'devtools_screencast_js_files': [
             'front_end/screencast/screencastView.css',
             'front_end/screencast/ScreencastApp.js',
             'front_end/screencast/ScreencastView.js',
         ],
         'devtools_sdk_js_files': [
             'front_end/sdk/ApplicationCacheModel.js',
             'front_end/sdk/ConsoleModel.js',
             'front_end/sdk/ContentProviders.js',
             'front_end/sdk/CookieParser.js',
@@ skipping 183 matching lines @@
             'front_end/extensions/module.json',
             'front_end/heap_snapshot_worker/module.json',
             'front_end/host/module.json',
             'front_end/layers/module.json',
             'front_end/main/module.json',
             'front_end/network/module.json',
             'front_end/platform/module.json',
             'front_end/profiler/module.json',
             'front_end/promises/module.json',
             'front_end/resources/module.json',
+            'front_end/sass/module.json',
             'front_end/security/module.json',
             'front_end/screencast/module.json',
             'front_end/script_formatter_worker/module.json',
             'front_end/sdk/module.json',
             'front_end/settings/module.json',
             'front_end/source_frame/module.json',
             'front_end/sources/module.json',
             'front_end/snippets/module.json',
             'front_end/temp_storage_shared_worker/module.json',
             'front_end/timeline/module.json',
@@ skipping 494 matching lines @@
             'front_end/Images/toolbarItemSelected.png',
             'front_end/Images/touchCursor.png',
             'front_end/Images/touchCursor_2x.png',
             'front_end/Images/updateServiceWorker.svg',
         ],
         'devtools_extension_api_files': [
             'front_end/extensions/ExtensionAPI.js',
         ],
     },
 }