DevTools: Front-end for platform font inspection

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 226 matching lines @@
             'front_end/layersPanel.css',
         ],
         'devtools_elements_js_files': [
             'front_end/CSSNamedFlowCollectionsView.js',
             'front_end/CSSNamedFlowView.js',
             'front_end/ElementsPanel.js',
             'front_end/EventListenersSidebarPane.js',
             'front_end/MetricsSidebarPane.js',
             'front_end/PropertiesSidebarPane.js',
             'front_end/StylesSidebarPane.js',
+            'front_end/PlatformFontsSidebarPane.js',
         ],
         'devtools_resources_js_files': [
             'front_end/ApplicationCacheItemsView.js',
             'front_end/DOMStorageItemsView.js',
             'front_end/DatabaseQueryView.js',
             'front_end/DatabaseTableView.js',
             'front_end/DirectoryContentView.js',
             'front_end/FileContentView.js',
             'front_end/FileSystemView.js',
             'front_end/IndexedDBViews.js',
@@ skipping 655 matching lines @@
                         'destination': '<(PRODUCT_DIR)/resources/inspector',
                         'files': [
                             '<@(devtools_standalone_files)',
                         ],
                     }],
                 },
             ],
         }],
     ], # conditions
 }