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 8d7aaf45b2560df402311d4a0080fe30617a0f85..0b635e687caa0cab1952e3a71d0806375def1f2b 100644
--- a/Source/core/core.gypi
+++ b/Source/core/core.gypi
@@ -720,6 +720,10 @@
             'css/parser/BisonCSSParser.h',
             'css/parser/CSSPropertyParser.cpp',
             'css/parser/CSSPropertyParser.h',
+            'css/parser/MediaQueryTokenizer.cpp',
+            'css/parser/MediaQueryParser.cpp',
+            'css/parser/MediaQueryInputStream.cpp',
+            'css/parser/MediaQueryToken.cpp',
             'css/CSSParserMode.cpp',
             'css/CSSParserMode.h',
             'css/CSSParserValues.cpp',
@@ -3272,6 +3276,7 @@
             'animation/TimedItemTest.cpp',
             'animation/TimingInputTest.cpp',
             'css/AffectedByFocusTest.cpp',
+            'css/parser/MediaQueryTokenizerTest.cpp',
             'css/CSSCalculationValueTest.cpp',
             'css/CSSFontFaceTest.cpp',
             'css/CSSTestHelper.cpp',