DevTools: Implement extension-based status bar buttons

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 @@
         'devtools_core_js_files': [
             '<@(devtools_core_base_js_files)',
             '<@(devtools_common_js_files)',
             '<@(devtools_sdk_js_files)',
             '<@(devtools_ui_js_files)',
             '<@(devtools_components_js_files)',
         ],
         'devtools_core_base_js_files': [
             'front_end/inspector.html',
             'front_end/Tests.js',
-            'front_end/EditFileSystemDialog.js',
             'front_end/ForwardedInputEventHandler.js',
             'front_end/InspectorFrontendAPI.js',
             'front_end/InspectorFrontendEventSink.js',
             'front_end/InspectorFrontendHostStub.js',
             'front_end/jsdifflib.js',
             'front_end/ResponsiveDesignView.js',
             'front_end/ScreencastView.js',
-            'front_end/SettingsScreen.js',
             'front_end/TestController.js',
             'front_end/dialog.css',
             'front_end/inspector.css',
             'front_end/tabbedPane.css',
             'front_end/inspectorSyntaxHighlight.css',
             'front_end/popover.css',
             '<@(devtools_main_js_files)',
             '<@(devtools_standalone_files)',
         ],
         'devtools_common_js_files': [
@@ skipping 122 matching lines @@
             'front_end/components/DockController.js',
             'front_end/components/Drawer.js',
             'front_end/components/DOMBreakpointsSidebarPane.js',
             'front_end/components/DOMPresentationUtils.js',
             'front_end/components/ExecutionContextSelector.js',
             'front_end/components/ExtensionServerProxy.js',
             'front_end/components/FilterBar.js',
             'front_end/components/FilterSuggestionBuilder.js',
             'front_end/components/FlameChart.js',
             'front_end/components/HandlerRegistry.js',
-            'front_end/components/HelpScreen.js',
             'front_end/components/InspectElementModeController.js',
             'front_end/components/InspectedPagePlaceholder.js',
             'front_end/components/InspectorView.js',
             'front_end/components/NativeBreakpointsSidebarPane.js',
             'front_end/components/ObjectPopoverHelper.js',
             'front_end/components/ObjectPropertiesSection.js',
             'front_end/components/OverviewGrid.js',
             'front_end/components/Panel.js',
             'front_end/components/PropertiesSection.js',
             'front_end/components/SearchableView.js',
@@ skipping 77 matching lines @@
             'front_end/console/ConsoleViewMessage.js',
         ],
         'devtools_search_js_files': [
             'front_end/search/AdvancedSearchView.js',
             'front_end/search/FileBasedSearchResultsPane.js',
             'front_end/search/SourcesSearchScope.js',
         ],
         'devtools_devices_js_files': [
             'front_end/devices/DevicesView.js',
         ],
+        'devtools_settings_js_files': [
+            'front_end/settings/EditFileSystemDialog.js',
+            '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/OverridesView.js',
             'front_end/elements/PlatformFontsSidebarPane.js',
             'front_end/elements/PropertiesSidebarPane.js',
             'front_end/elements/RenderingOptionsView.js',
@@ skipping 253 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',
         ],
     },
 }