Move CSSParserSelector out of CSSParserValues.h/cpp

Source/core/core.gypi

 {
     'includes': [
         'core_generated.gypi',
     ],
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/KeyframeEffect.idl',
             'animation/EffectModel.idl',
             'animation/AnimationEffectReadOnly.idl',
@@ skipping 1199 matching lines @@
             'css/parser/CSSParserFastPaths.h',
             'css/parser/CSSParserImpl.cpp',
             'css/parser/CSSParserImpl.h',
             'css/parser/CSSParserMode.cpp',
             'css/parser/CSSParserMode.h',
             'css/parser/CSSParserObserverWrapper.cpp',
             'css/parser/CSSParserToken.cpp',
             'css/parser/CSSParserTokenRange.cpp',
             'css/parser/CSSParserTokenRange.h',
             'css/parser/CSSParserValues.cpp',
+            'css/parser/CSSParserSelector.h',
+            'css/parser/CSSParserSelector.cpp',
             'css/parser/CSSPropertyParser.cpp',
             'css/parser/CSSPropertyParser.h',
             'css/parser/CSSSelectorParser.cpp',
             'css/parser/CSSSelectorParser.h',
             'css/parser/CSSSupportsParser.cpp',
             'css/parser/CSSSupportsParser.h',
             'css/parser/CSSTokenizer.cpp',
             'css/parser/CSSTokenizerInputStream.cpp',
             'css/parser/MediaQueryBlockWatcher.cpp',
             'css/parser/MediaQueryParser.cpp',
@@ skipping 2617 matching lines @@
             'style/OutlineValueTest.cpp',
             'style/SVGComputedStyleTest.cpp',
             'svg/UnsafeSVGAttributeSanitizationTest.cpp',
             'testing/PrivateScriptTestTest.cpp',
             'timing/MemoryInfoTest.cpp',
             'workers/WorkerThreadTest.cpp',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }