DevTools: traverse widget hierarchy to reveal views.

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 238 matching lines @@
             'front_end/ui/inspectorSyntaxHighlight.css',
             'front_end/ui/inspectorSyntaxHighlightDark.css',
             'front_end/ui/inspectorViewTabbedPane.css',
             'front_end/ui/listWidget.css',
             'front_end/ui/panelEnablerView.css',
             'front_end/ui/popover.css',
             'front_end/ui/progressIndicator.css',
             'front_end/ui/radioButton.css',
             'front_end/ui/reportView.css',
             'front_end/ui/searchableView.css',
-            'front_end/ui/sidebarPane.css',
             'front_end/ui/softContextMenu.css',
             'front_end/ui/smallIcon.css',
             'front_end/ui/splitWidget.css',
             'front_end/ui/toolbar.css',
             'front_end/ui/tooltip.css',
             'front_end/ui/suggestBox.css',
             'front_end/ui/tabbedPane.css',
             'front_end/ui/textButton.css',
             'front_end/ui/textPrompt.css',
             'front_end/ui/treeoutline.css',
+            'front_end/ui/viewContainers.css',
             'front_end/ui/ActionRegistry.js',
             'front_end/ui/ColorSwatch.js',
             'front_end/ui/Context.js',
             'front_end/ui/ContextMenu.js',
             'front_end/ui/Dialog.js',
             'front_end/ui/DOMSyntaxHighlighter.js',
             'front_end/ui/Drawer.js',
             'front_end/ui/DropDownMenu.js',
             'front_end/ui/DropTarget.js',
             'front_end/ui/EmptyWidget.js',
             'front_end/ui/FilterBar.js',
             'front_end/ui/ForwardedInputEventHandler.js',
             'front_end/ui/HistoryInput.js',
             'front_end/ui/Infobar.js',
             'front_end/ui/InplaceEditor.js',
             'front_end/ui/InspectorView.js',
             'front_end/ui/KeyboardShortcut.js',
             'front_end/ui/ListWidget.js',
             'front_end/ui/Panel.js',
             'front_end/ui/Popover.js',
             'front_end/ui/ProgressIndicator.js',
             'front_end/ui/ReportView.js',
             'front_end/ui/ResizerWidget.js',
             'front_end/ui/RootView.js',
             'front_end/ui/SearchableView.js',
             'front_end/ui/SettingsUI.js',
             'front_end/ui/ShortcutRegistry.js',
-            'front_end/ui/SidebarPane.js',
             'front_end/ui/SidebarTreeElement.js',
             'front_end/ui/SoftContextMenu.js',
             'front_end/ui/SplitWidget.js',
             'front_end/ui/StackView.js',
             'front_end/ui/SwatchPopoverHelper.js',
             'front_end/ui/Toolbar.js',
             'front_end/ui/Tooltip.js',
             'front_end/ui/SuggestBox.js',
             'front_end/ui/TabbedPane.js',
             'front_end/ui/TextPrompt.js',
             'front_end/ui/ThrottledView.js',
             'front_end/ui/UIUtils.js',
+            'front_end/ui/ViewContainers.js',
             'front_end/ui/ViewportControl.js',
             'front_end/ui/Widget.js',
             'front_end/ui/ZoomManager.js',
             'front_end/ui/treeoutline.js',
         ],
         'devtools_main_js_files': [
             'front_end/main/errorWarningCounter.css',
             'front_end/main/remoteDebuggingTerminatedScreen.css',
             'front_end/main/renderingOptions.css',
             'front_end/main/targetCrashedScreen.css',
@@ skipping 577 matching lines @@
             'front_end/Images/toolbarResizerVertical.png',
             'front_end/Images/toolbarItemSelected.png',
             'front_end/Images/touchCursor.png',
             'front_end/Images/touchCursor_2x.png',
         ],
         'devtools_extension_api_files': [
             'front_end/extensions/ExtensionAPI.js',
         ],
     },
 }