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 542113edd5bb652a1227f5d6cb8dd5ad68b1e48d..2d7aaa4ceba7354377db7bde7df167f2d67bb4f9 100644
--- a/Source/core/core.gypi
+++ b/Source/core/core.gypi
@@ -718,6 +718,10 @@
             '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',
@@ -3264,6 +3268,7 @@
             'animation/TimedItemTest.cpp',
             'animation/TimingInputTest.cpp',
             'css/AffectedByFocusTest.cpp',
+            'css/parser/MediaQueryTokenizerTest.cpp',
             'css/CSSCalculationValueTest.cpp',
             'css/CSSFontFaceTest.cpp',
             'css/CSSTestHelper.cpp',