Remove remaining Dart-specific perl code in Dartium

Source/core/core_generated.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 292 matching lines @@
           ],
         },
         {
           'action_name': 'EventFactory',
           'inputs': [
             '<@(make_event_factory_files)',
             '<(SHARED_INTERMEDIATE_DIR)/blink/EventInterfaces.in',
             'events/EventAliases.in',
           ],
           'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/blink/DartEventHeaders.h',
             '<(SHARED_INTERMEDIATE_DIR)/blink/Event.cpp',
             '<(SHARED_INTERMEDIATE_DIR)/blink/EventHeaders.h',
             '<(SHARED_INTERMEDIATE_DIR)/blink/EventInterfaces.h',
           ],
           'action': [
             'python',
             '../build/scripts/make_event_factory.py',
             '<(SHARED_INTERMEDIATE_DIR)/blink/EventInterfaces.in',
             'events/EventAliases.in',
             '--output_dir',
@@ skipping 18 matching lines @@
             '<(SHARED_INTERMEDIATE_DIR)/blink',
           ],
         },
         {
           'action_name': 'EventTargetFactory',
           'inputs': [
             '<@(make_event_factory_files)',
             'events/EventTargetFactory.in',
           ],
           'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/blink/DartEventTargetHeaders.h',
             '<(SHARED_INTERMEDIATE_DIR)/blink/EventTargetHeaders.h',
             '<(SHARED_INTERMEDIATE_DIR)/blink/EventTargetInterfaces.h',
           ],
           'action': [
             'python',
             '../build/scripts/make_event_factory.py',
             'events/EventTargetFactory.in',
             '--output_dir',
             '<(SHARED_INTERMEDIATE_DIR)/blink',
           ],
@@ skipping 277 matching lines @@
             '../build/scripts/rule_bison.py',
             '<(RULE_INPUT_PATH)',
             '<(SHARED_INTERMEDIATE_DIR)/blink',
             '<(bison_exe)',
           ],
         },
       ],
     },
   ],
 }