Get rid of special casing for SVGNumber in the bindings generator

Source/core/core.gypi

 {
     'variables': {
         'deprecated_perl_core_idl_files': [
             'css/CSS.idl',
             'css/CSSCharsetRule.idl',
             'css/CSSFontFaceLoadEvent.idl',
             'css/CSSFontFaceRule.idl',
             'css/CSSHostRule.idl',
             'css/CSSImportRule.idl',
             'css/CSSMediaRule.idl',
@@ skipping 3453 matching lines @@
             'svg/SVGMPathElement.cpp',
             'svg/SVGMPathElement.h',
             'svg/SVGMarkerElement.cpp',
             'svg/SVGMarkerElement.h',
             'svg/SVGMaskElement.cpp',
             'svg/SVGMaskElement.h',
             'svg/SVGMetadataElement.cpp',
             'svg/SVGMetadataElement.h',
             'svg/SVGMissingGlyphElement.cpp',
             'svg/SVGMissingGlyphElement.h',
+            'svg/SVGNumber.h',
             'svg/SVGNumberList.cpp',
+            'svg/SVGNumberList.h',
             'svg/SVGPaint.cpp',
             'svg/SVGParserUtilities.cpp',
             'svg/SVGParserUtilities.h',
             'svg/SVGParsingError.h',
             'svg/SVGPathBlender.cpp',
             'svg/SVGPathBlender.h',
             'svg/SVGPathBuilder.cpp',
             'svg/SVGPathBuilder.h',
             'svg/SVGPathByteStream.h',
             'svg/SVGPathByteStreamBuilder.cpp',
@@ skipping 282 matching lines @@
                 'bison_exe': 'bison',
                 # We specify a preprocess so it happens locally and won't get
                 # distributed to goma.
                 # FIXME: /usr/bin/gcc won't exist on OSX forever. We want to
                 # use /usr/bin/clang once we require Xcode 4.x.
                 'preprocessor': '--preprocessor "/usr/bin/gcc -E -P -x c++"'
               }],
          ],
     }
 }