Timeline: add layer tree outline to layer details view

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 302 matching lines @@
             'front_end/filter.css',
             'front_end/filteredItemSelectionDialog.css',
             'front_end/flameChart.css',
             'front_end/fontView.css',
             'front_end/heapProfiler.css',
             'front_end/helpScreen.css',
             'front_end/imageView.css',
             'front_end/indexedDBViews.css',
             'front_end/inspectorCommon.css',
             'front_end/inspectorSyntaxHighlight.css',
-            'front_end/layersPanel.css',
             'front_end/navigatorView.css',
             'front_end/networkLogView.css',
             'front_end/networkPanel.css',
             'front_end/overrides.css',
             'front_end/overviewGrid.css',
             'front_end/panelEnablerView.css',
             'front_end/pieChart.css',
             'front_end/profilesPanel.css',
             'front_end/promisesPanel.css',
             'front_end/requestCookiesView.css',
@@ skipping 66 matching lines @@
             'front_end/heap_snapshot_worker/HeapSnapshotLoader.js',
             'front_end/heap_snapshot_worker/HeapSnapshotWorker.js',
             'front_end/heap_snapshot_worker/HeapSnapshotWorkerDispatcher.js',
             'front_end/heap_snapshot_worker/JSHeapSnapshot.js',
             'front_end/profiler/HeapSnapshotCommon.js',
         ],
         'devtools_layers_js_files': [
             'front_end/layers/LayerDetailsView.js',
             'front_end/layers/LayerPaintProfilerView.js',
             'front_end/layers/LayersPanel.js',
-            'front_end/layers/LayerTreeOutline.js',
         ],
         'devtools_network_js_files': [
             'front_end/network/HAREntry.js',
             'front_end/network/NetworkItemView.js',
             'front_end/network/NetworkPanel.js',
             'front_end/network/RequestCookiesView.js',
             'front_end/network/RequestHeadersView.js',
             'front_end/network/RequestHTMLView.js',
             'front_end/network/RequestJSONView.js',
             'front_end/network/RequestPreviewView.js',
@@ skipping 86 matching lines @@
             'front_end/sources/ThreadsSidebarPane.js',
             'front_end/sources/UISourceCodeFrame.js',
             'front_end/sources/WatchExpressionsSidebarPane.js',
             'front_end/sources/WorkspaceMappingTip.js',
         ],
         'devtools_temp_storage_shared_worker_js_files': [
             'front_end/temp_storage_shared_worker/TempStorageSharedWorker.js',
         ],
         'devtools_timeline_js_files': [
             'front_end/timeline/CountersGraph.js',
+            'front_end/timeline/LayerTreeOutline.js',
             'front_end/timeline/Layers3DView.js',
             'front_end/timeline/MemoryCountersGraph.js',
             'front_end/timeline/PaintProfilerView.js',
             'front_end/timeline/TimelineEventOverview.js',
             'front_end/timeline/TimelineFlameChart.js',
             'front_end/timeline/TimelineFrameModel.js',
             'front_end/timeline/TimelineFrameOverview.js',
             'front_end/timeline/TimelineJSProfile.js',
             'front_end/timeline/TimelineLayersView.js',
             'front_end/timeline/TimelineMemoryOverview.js',
@@ skipping 132 matching lines @@
             'front_end/Images/touchCursor.png',
             'front_end/Images/touchCursor_2x.png',
             'front_end/Images/transformControls.png',
             'front_end/Images/transformControls_2x.png',
         ],
         'devtools_extension_api_files': [
             'front_end/extensions/ExtensionAPI.js',
         ],
     },
 }