[Devtools] Fix RJSMIN for backtick

third_party/WebKit/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 235 matching lines @@
                 'supported_css_properties',
                 'frontend_protocol_sources',
             ],
             'output_path': '<(PRODUCT_DIR)/resources/inspector/',
             'actions': [{
                 'action_name': 'build_applications',
                 'script_name': 'scripts/build_applications.py',
                 'helper_scripts': [
                     'scripts/modular_build.py',
                     'scripts/concatenate_application_code.py',
+                    "scripts/rjsmin.py",
                 ],
                 'inputs': [
                     '<@(_script_name)',
                     '<@(_helper_scripts)',
                     '<@(all_devtools_files)',
                     'front_end/inspector.html',
                     'front_end/toolbox.html',
                     '<(_output_path)/InspectorBackendCommands.js',
                     '<(_output_path)/SupportedCSSProperties.js',
                 ],
@@ skipping 68 matching lines @@
                                 '<@(devtools_cm_js_files)',
                                 '<@(devtools_cm_css_files)',
                             ],
                         },
                     ]
                 }]
             ]
         },
     ]
 }