Moved MQ parsing block tracking to tokenizer

Source/core/css/parser/MediaQueryToken.h

Index: Source/core/css/parser/MediaQueryToken.h
diff --git a/Source/core/css/parser/MediaQueryToken.h b/Source/core/css/parser/MediaQueryToken.h
index 04d48701cbc0684e4919e2abbc1651b3c621d073..7061ccde339f6283ada37468594d1bffaa4a4249 100644
--- a/Source/core/css/parser/MediaQueryToken.h
+++ b/Source/core/css/parser/MediaQueryToken.h
@@ -40,8 +40,16 @@ enum NumericValueType {
 
 class MediaQueryToken {
 public:
+    enum BlockType {
+        NotBlock,
+        BlockStart,
+        BlockEnd,
+    };
+
     MediaQueryToken(MediaQueryTokenType);
-    MediaQueryToken(MediaQueryTokenType, String);
+    MediaQueryToken(MediaQueryTokenType, BlockType);
+    MediaQueryToken(MediaQueryTokenType, String value);
+    MediaQueryToken(MediaQueryTokenType, String value, BlockType);
 
     MediaQueryToken(MediaQueryTokenType, UChar); // for DelimiterToken
     MediaQueryToken(MediaQueryTokenType, double, NumericValueType); // for NumberToken
@@ -60,6 +68,9 @@ public:
     NumericValueType numericValueType() const { return m_numericValueType; }
     double numericValue() const { return m_numericValue; }
     CSSPrimitiveValue::UnitTypes unitType() const { return m_unit; }
+    BlockType blockType() const { return m_blockType; }
+    unsigned blockLevel() const { return m_blockLevel; }
+    void setBlockLevel(unsigned blockLevel) { m_blockLevel = blockLevel; }
 
 private:
     MediaQueryTokenType m_type;
@@ -70,6 +81,9 @@ private:
     NumericValueType m_numericValueType;
     double m_numericValue;
     CSSPrimitiveValue::UnitTypes m_unit;
+
+    BlockType m_blockType;
+    unsigned m_blockLevel;
 };
 
 }