DevTools: add 3D layer view to Layer panel

Source/devtools/devtools.gyp

 #
 # 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 446 matching lines @@
             'front_end/Images/timelinePillYellow.png',
             'front_end/Images/toolbarItemSelected.png',
             'front_end/Images/trackHoriz.png',
             'front_end/Images/trackVert.png',
         ],
 
         'devtools_layers_js_files': [
             'front_end/LayersPanel.js',
             'front_end/LayerTreeModel.js',
             'front_end/LayerTree.js',
+            'front_end/Layers3DView.js',
         ],
 
         'devtools_extension_api_files': [
             'front_end/ExtensionAPI.js',
             'front_end/DevToolsExtensionAPI.js'
         ],
     },
     'targets': [
         {
             'target_name': 'devtools_frontend_resources',
@@ skipping 430 matching lines @@
                         'destination': '<(PRODUCT_DIR)/resources/inspector',
                         'files': [
                             '<@(devtools_standalone_files)',
                         ],
                     }],
                 },
             ],
         }],
     ], # conditions
 }