Move the generation and inclusion of RuntimeEnabledFeatures to blink_platform.dll since many pieces…

Source/platform/platform_derived_sources.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 40 matching lines @@
             '<(SHARED_INTERMEDIATE_DIR)/blink/FontFamilyNames.h',
           ],
           'action': [
             'python',
             '../build/scripts/make_names.py',
             'graphics/fonts/FontFamilyNames.in',
             '--output_dir',
             '<(SHARED_INTERMEDIATE_DIR)/blink',
           ],
         },
+        {
+          'action_name': 'RuntimeEnabledFeatures',
+          'inputs': [
+            '<@(scripts_for_in_files)',
+            '../build/scripts/make_runtime_features.py',
+            'RuntimeEnabledFeatures.in',
+            '../build/scripts/templates/RuntimeEnabledFeatures.cpp.tmpl',
+            '../build/scripts/templates/RuntimeEnabledFeatures.h.tmpl',
+          ],
+          'outputs': [
+            '<(SHARED_INTERMEDIATE_DIR)/blink/RuntimeEnabledFeatures.cpp',
+            '<(SHARED_INTERMEDIATE_DIR)/blink/RuntimeEnabledFeatures.h',
+          ],
+          'action': [
+            'python',
+            '../build/scripts/make_runtime_features.py',
+            'RuntimeEnabledFeatures.in',
+            '--output_dir',
+            '<(SHARED_INTERMEDIATE_DIR)/blink',
+          ],
+        },
       ]
     },
   ],
 }