DevTools: move UI components to target observers in preparation to early UI initialization.

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 205 matching lines @@
             'front_end/toolbox/InspectedPagePlaceholder.js',
             'front_end/toolbox/MediaQueryInspector.js',
             'front_end/toolbox/OverridesUI.js',
             'front_end/toolbox/ResponsiveDesignView.js',
         ],
         'devtools_main_js_files': [
             'front_end/main/AdvancedApp.js',
             'front_end/main/App.js',
             'front_end/main/HelpScreenUntilReload.js',
             'front_end/main/OverridesView.js',
+            'front_end/main/RenderingOptions.js',
             'front_end/main/ScreencastApp.js',
             'front_end/main/SimpleApp.js',
             'front_end/main/Main.js',
         ],
         'devtools_module_json_files': [
             'front_end/audits/module.json',
             'front_end/console/module.json',
             'front_end/devices/module.json',
             'front_end/elements/module.json',
             'front_end/extensions/module.json',
@@ skipping 61 matching lines @@
             'front_end/settings/SettingsScreen.js',
         ],
         'devtools_elements_js_files': [
             'front_end/elements/DOMSyntaxHighlighter.js',
             'front_end/elements/ElementsTreeOutline.js',
             'front_end/elements/ElementsPanel.js',
             'front_end/elements/EventListenersSidebarPane.js',
             'front_end/elements/MetricsSidebarPane.js',
             'front_end/elements/PlatformFontsSidebarPane.js',
             'front_end/elements/PropertiesSidebarPane.js',
-            'front_end/elements/RenderingOptionsView.js',
             'front_end/elements/Spectrum.js',
             'front_end/elements/StylesSidebarPane.js',
         ],
         'devtools_extensions_js_files': [
             'front_end/extensions/ExtensionAuditCategory.js',
             'front_end/extensions/ExtensionPanel.js',
             'front_end/extensions/ExtensionRegistryStub.js',
             'front_end/extensions/ExtensionServer.js',
             'front_end/extensions/ExtensionView.js',
             '<@(devtools_extension_api_files)',
@@ skipping 250 matching lines @@
             'front_end/temp_storage_shared_worker/TempStorageSharedWorker.js',
         ],
         'devtools_script_formatter_worker_js_files': [
             'front_end/script_formatter_worker/CSSFormatter.js',
             'front_end/script_formatter_worker/JavaScriptFormatter.js',
             'front_end/script_formatter_worker/ScriptFormatterWorker.js',
             'front_end/common/utilities.js',
         ],
     },
 }