A thread-safe Media Query Parser

Source/core/core.gypi

Index: Source/core/core.gypi
diff --git a/Source/core/core.gypi b/Source/core/core.gypi
index 5ea7b231b9e861269a5524c1a112b2ba2987566a..52131b3946320b302c06dfec37bbb0a84705b0c2 100644
--- a/Source/core/core.gypi
+++ b/Source/core/core.gypi
@@ -712,6 +712,10 @@
             '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',
@@ -740,6 +744,7 @@
             'css/CSSStyleSheet.h',
             'css/CSSSupportsRule.cpp',
             'css/CSSSupportsRule.h',
+            'css/CSSValueIDHelper.cpp',
             'css/CSSTimingFunctionValue.cpp',
             'css/CSSTimingFunctionValue.h',
             'css/CSSToLengthConversionData.cpp',
@@ -3253,6 +3258,8 @@
             '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',