[css-ui] Add support for caret-color property

third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp

Index: third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
diff --git a/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp b/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
index 0c8ab2472cb5acb14d08a98fa94207d8f447c4ba..5aa42be0467eff3085e08968dc3e1c6ca6ab3651 100644
--- a/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
+++ b/third_party/WebKit/Source/core/css/ComputedStyleCSSValueMapping.cpp
@@ -2205,6 +2205,13 @@ const CSSValue* ComputedStyleCSSValueMapping::get(
       return valueForShadowList(style.boxShadow(), style, true);
     case CSSPropertyCaptionSide:
       return CSSIdentifierValue::create(style.captionSide());
+    case CSSPropertyCaretColor:
+      if (style.caretColor().isCurrentColor())
+        return CSSIdentifierValue::create(CSSValueCurrentcolor);
+      if (style.caretColor().isAutoColor())
+        return CSSIdentifierValue::create(CSSValueAuto);
+      return CSSColorValue::create(
+          style.caretColor().resolve(style.color()).rgb());
     case CSSPropertyClear:
       return CSSIdentifierValue::create(style.clear());
     case CSSPropertyColor: