A thread-safe Media Query Parser

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 694 matching lines @@
             'css/CSSMarkup.h',
             'css/CSSMediaRule.cpp',
             'css/CSSMediaRule.h',
             'css/CSSOMUtils.cpp',
             'css/CSSOMUtils.h',
             'css/CSSPageRule.cpp',
             'css/CSSPageRule.h',
             'css/parser/BisonCSSParser.h',
             'css/parser/CSSPropertyParser.cpp',
             'css/parser/CSSPropertyParser.h',
+            'css/parser/MediaQueryTokenizer.cpp',
+            'css/parser/MediaQueryParser.cpp',
+            'css/parser/CSSInputStream.cpp',
+            'css/parser/CSSToken.cpp',
             'css/CSSParserMode.cpp',
             'css/CSSParserMode.h',
             'css/CSSParserValues.cpp',
             'css/CSSPrimitiveValue.cpp',
             'css/CSSPrimitiveValueMappings.h',
             'css/CSSProperty.cpp',
             'css/CSSPropertySourceData.cpp',
             'css/CSSReflectValue.cpp',
             'css/CSSRule.cpp',
             'css/CSSRule.h',
             'css/CSSRuleList.cpp',
             'css/CSSRuleList.h',
             'css/CSSSVGDocumentValue.cpp',
             'css/CSSSVGDocumentValue.h',
             'css/CSSSegmentedFontFace.cpp',
             'css/CSSSegmentedFontFace.h',
             'css/CSSSelector.cpp',
             'css/CSSSelectorList.cpp',
             'css/CSSSelectorList.h',
             'css/CSSShadowValue.cpp',
             'css/CSSShadowValue.h',
             'css/CSSStyleDeclaration.h',
             'css/CSSStyleRule.cpp',
             'css/CSSStyleRule.h',
             'css/CSSStyleSheet.cpp',
             'css/CSSStyleSheet.h',
             'css/CSSSupportsRule.cpp',
             'css/CSSSupportsRule.h',
+            'css/CSSValueIDHelper.cpp',
             'css/CSSTimingFunctionValue.cpp',
             'css/CSSTimingFunctionValue.h',
             'css/CSSToLengthConversionData.cpp',
             'css/CSSToLengthConversionData.h',
             'css/CSSTokenizer.h',
             'css/CSSTransformValue.cpp',
             'css/CSSUnicodeRangeValue.cpp',
             'css/CSSUnicodeRangeValue.h',
             'css/CSSUnknownRule.h',
             'css/CSSValue.cpp',
@@ skipping 13 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 2458 matching lines @@
             'animation/AnimationTranslationUtilTest.cpp',
             'animation/CompositorAnimationsTest.cpp',
             'animation/CompositorAnimationsTestHelper.h',
             'animation/CompositorAnimationsTimingFunctionReverserTest.cpp',
             'animation/DocumentTimelineTest.cpp',
             'animation/KeyframeEffectModelTest.cpp',
             'animation/PlayerTest.cpp',
             'animation/TimedItemCalculationsTest.cpp',
             'animation/TimedItemTest.cpp',
             'css/AffectedByFocusTest.cpp',
+            'css/parser/MediaQueryTokenizerTest.cpp',
+            'css/parser/MediaQueryParserTest.cpp',
             'css/CSSCalculationValueTest.cpp',
             'css/CSSFontFaceTest.cpp',
             'css/CSSTestHelper.cpp',
             'css/CSSTestHelper.h',
             'css/CSSValueTestHelper.h',
             'css/CSSParserValuesTest.cpp',
             'css/CSSSelectorTest.cpp',
             'css/CSSValueTestHelper.h',
             'css/DragUpdateTest.cpp',
             'css/HoverUpdateTest.cpp',
@@ skipping 17 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',
         ],
     }
 }