DevTools: "Jump between editing locations" experiment

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 86 matching lines @@
             'front_end/ImageView.js',
             'front_end/IndexedDBModel.js',
             'front_end/InspectorBackend.js',
             'front_end/InspectorFrontendAPI.js',
             'front_end/InspectorFrontendHostStub.js',
             'front_end/InspectorView.js',
             'front_end/inspector.js',
             'front_end/IsolatedFileSystem.js',
             'front_end/IsolatedFileSystemManager.js',
             'front_end/JavaScriptFormatter.js',
+            'front_end/JumpHistoryManager.js',
             'front_end/jsdifflib.js',
             'front_end/KeyboardShortcut.js',
             'front_end/LayersPanelDescriptor.js',
             'front_end/Linkifier.js',
             'front_end/LiveEditSupport.js',
             'front_end/NativeBreakpointsSidebarPane.js',
             'front_end/NetworkManager.js',
             'front_end/NetworkLog.js',
             'front_end/NetworkPanelDescriptor.js',
             'front_end/NetworkRequest.js',
@@ skipping 807 matching lines @@
                         'destination': '<(PRODUCT_DIR)/resources/inspector',
                         'files': [
                             '<@(devtools_standalone_files)',
                         ],
                     }],
                 },
             ],
         }],
     ], # conditions
 }