[DevTools] Added Event Listeners sidebar in sources panel

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 544 matching lines @@
             'front_end/sources/EventListenerBreakpointsSidebarPane.js',
             'front_end/sources/FileBasedSearchResultsPane.js',
             'front_end/sources/FilePathScoreFunction.js',
             'front_end/sources/FilteredItemSelectionDialog.js',
             'front_end/sources/InplaceFormatterEditorAction.js',
             'front_end/sources/JavaScriptBreakpointsSidebarPane.js',
             'front_end/sources/JavaScriptCompiler.js',
             'front_end/sources/JavaScriptSourceFrame.js',
             'front_end/sources/jsdifflib.js',
             'front_end/sources/NavigatorView.js',
+            'front_end/sources/ObjectEventListenersSidebarPane.js',
             'front_end/sources/RevisionHistoryView.js',
             'front_end/sources/ScopeChainSidebarPane.js',
             'front_end/sources/ScriptFormatter.js',
             'front_end/sources/ScriptFormatterEditorAction.js',
             'front_end/sources/ServiceWorkersSidebarPane.js',
             'front_end/sources/SimpleHistoryManager.js',
             'front_end/sources/SourcesNavigator.js',
             'front_end/sources/SourcesPanel.js',
             'front_end/sources/SourcesSearchScope.js',
             'front_end/sources/SourcesView.js',
@@ skipping 173 matching lines @@
             'front_end/Images/toolbarItemSelected.png',
             'front_end/Images/touchCursor.png',
             'front_end/Images/touchCursor_2x.png',
             'front_end/Images/updateServiceWorker.svg',
         ],
         'devtools_extension_api_files': [
             'front_end/extensions/ExtensionAPI.js',
         ],
     },
 }