Reduce number of header includes in SVG

Source/core/core.gypi

 {
     'variables': {
         '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 3297 matching lines @@
             'svg/SVGAnimatedNumber.cpp',
             'svg/SVGAnimatedNumberList.cpp',
             'svg/SVGAnimatedNumberOptionalNumber.cpp',
             'svg/SVGAnimatedPath.cpp',
             'svg/SVGAnimatedPointList.cpp',
             'svg/SVGAnimatedPreserveAspectRatio.cpp',
             'svg/SVGAnimatedRect.cpp',
             'svg/SVGAnimatedString.cpp',
             'svg/SVGAnimatedTransformList.cpp',
             'svg/SVGAnimatedType.cpp',
+            'svg/SVGAnimatedTypeAnimator.cpp',
+            'svg/SVGAnimatedTypeAnimator.h',
             'svg/SVGAnimateElement.cpp',
             'svg/SVGAnimateElement.h',
             'svg/SVGAnimateMotionElement.cpp',
             'svg/SVGAnimateMotionElement.h',
             'svg/SVGAnimateTransformElement.cpp',
             'svg/SVGAnimateTransformElement.h',
             'svg/SVGAnimationElement.cpp',
             'svg/SVGAnimationElement.h',
             'svg/SVGCircleElement.cpp',
             'svg/SVGCircleElement.h',
@@ skipping 260 matching lines @@
             'svg/graphics/SVGImage.cpp',
             'svg/graphics/SVGImage.h',
             'svg/graphics/SVGImageForContainer.h',
             'svg/graphics/SVGImageForContainer.cpp',
             'svg/graphics/filters/SVGFEImage.cpp',
             'svg/graphics/filters/SVGFEImage.h',
             'svg/graphics/filters/SVGFilter.cpp',
             'svg/graphics/filters/SVGFilter.h',
             'svg/graphics/filters/SVGFilterBuilder.cpp',
             'svg/graphics/filters/SVGFilterBuilder.h',
+            'svg/properties/SVGAnimatedProperty.cpp',
+            'svg/properties/SVGAnimatedProperty.h',
             'svg/properties/SVGAttributeToPropertyMap.cpp',
             'svg/properties/SVGAnimatedPathSegListPropertyTearOff.h',
             'svg/properties/SVGPathSegListPropertyTearOff.cpp',
         ],
         'webcore_test_support_idl_files': [
           'testing/Internals.idl',
           'testing/InternalProfilers.idl',
           'testing/InternalSettings.idl',
           'testing/MallocStatistics.idl',
           'testing/TypeConversions.idl',
@@ skipping 119 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++"'
               }],
          ],
     }
 }