Basic implementation of @apply

third_party/WebKit/Source/core/css/parser/CSSParserImpl.h

Index: third_party/WebKit/Source/core/css/parser/CSSParserImpl.h
diff --git a/third_party/WebKit/Source/core/css/parser/CSSParserImpl.h b/third_party/WebKit/Source/core/css/parser/CSSParserImpl.h
index 882cbb4275e73aeeb36044055b83c4aa3c4f7bef..c3b696d8bb60da938574de9be204bf654e410bd2 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSParserImpl.h
+++ b/third_party/WebKit/Source/core/css/parser/CSSParserImpl.h
@@ -51,6 +51,7 @@ public:
         AllowNamespaceRules,
         RegularRules,
         KeyframeRules,
+        ApplyRules, // For @apply inside style rules
         NoRules, // For parsing at-rules inside declaration lists
     };
 
@@ -62,6 +63,8 @@ public:
     static void parseStyleSheet(const String&, const CSSParserContext&, StyleSheetContents*);
     static CSSSelectorList parsePageSelector(CSSParserTokenRange, StyleSheetContents*);
 
+    static PassRefPtrWillBeRawPtr<ImmutableStylePropertySet> parseCustomPropertySet(CSSParserTokenRange);
+
     static PassOwnPtr<Vector<double>> parseKeyframeKeyList(const String&);
 
     bool supportsDeclaration(CSSParserTokenRange&);
@@ -93,6 +96,8 @@ private:
     PassRefPtrWillBeRawPtr<StyleRuleFontFace> consumeFontFaceRule(CSSParserTokenRange prelude, CSSParserTokenRange block);
     PassRefPtrWillBeRawPtr<StyleRuleKeyframes> consumeKeyframesRule(bool webkitPrefixed, CSSParserTokenRange prelude, CSSParserTokenRange block);
     PassRefPtrWillBeRawPtr<StyleRulePage> consumePageRule(CSSParserTokenRange prelude, CSSParserTokenRange block);
+    // Updates m_parsedProperties
+    void consumeApplyRule(CSSParserTokenRange prelude);
 
     PassRefPtrWillBeRawPtr<StyleRuleKeyframe> consumeKeyframeStyleRule(CSSParserTokenRange prelude, CSSParserTokenRange block);
     PassRefPtrWillBeRawPtr<StyleRule> consumeStyleRule(CSSParserTokenRange prelude, CSSParserTokenRange block);