Auto generate MediaFeatureNames, its macros and MediaTypeNames

Source/core/core.gypi

 {
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/Animation.idl',
             'animation/Player.idl',
             'animation/TimedItem.idl',
             'animation/Timeline.idl',
             'animation/Timing.idl',
             'clipboard/Clipboard.idl',
@@ skipping 755 matching lines @@
             'css/FontFace.cpp',
             'css/FontFace.h',
             'css/FontFaceCache.cpp',
             'css/FontFaceCache.h',
             'css/FontFaceSet.cpp',
             'css/FontFaceSet.h',
             'css/FontFaceSetForEachCallback.h',
             'css/FontSize.cpp',
             'css/FontSize.h',
             'css/HashTools.h',
-            'css/MediaFeatureNames.cpp',
-            'css/MediaFeatureNames.h',
             'css/MediaList.cpp',
             'css/MediaList.h',
             'css/MediaQuery.cpp',
             'css/MediaQuery.h',
             'css/MediaQueryEvaluator.cpp',
             'css/MediaQueryEvaluator.h',
             'css/MediaQueryExp.cpp',
             'css/MediaQueryExp.h',
             'css/MediaQueryList.cpp',
             'css/MediaQueryList.h',
@@ skipping 2495 matching lines @@
             'html/parser/HTMLParserThreadTest.cpp',
             'html/track/vtt/BufferedLineReaderTest.cpp',
             'html/track/vtt/VTTScannerTest.cpp',
             'rendering/RenderOverflowTest.cpp',
             'rendering/shapes/BoxShapeTest.cpp',
             'testing/UnitTestHelpers.cpp',
             'testing/UnitTestHelpers.h',
         ],
     }
 }