Allow 'currentcolor' for -webkit-tap-highlight-color in non-quirks mode

Source/core/css/parser/CSSPropertyParser.cpp

Index: Source/core/css/parser/CSSPropertyParser.cpp
diff --git a/Source/core/css/parser/CSSPropertyParser.cpp b/Source/core/css/parser/CSSPropertyParser.cpp
index b83f38e3959ec5a6e58c7368f9782f524fddbddf..7e736e430a62cbcce57862b645e1c7640a1d6efb 100644
--- a/Source/core/css/parser/CSSPropertyParser.cpp
+++ b/Source/core/css/parser/CSSPropertyParser.cpp
@@ -2341,12 +2341,6 @@ PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseTapHighlightCo
     // Disallow -webkit-text regardless of quirks.
     if (id == CSSValueWebkitText)
         return nullptr;
-    // Allow currentcolor in quirks-mode only.
-    if (id == CSSValueCurrentcolor) {
-        if (!inQuirksMode())
-            return nullptr;
-        return cssValuePool().createIdentifierValue(id);
-    }
     return parseColor(value);
 }