[css-ui] Make caret-color animatable

third_party/WebKit/Source/core/animation/css/CSSAnimatableValueFactory.cpp

Index: third_party/WebKit/Source/core/animation/css/CSSAnimatableValueFactory.cpp
diff --git a/third_party/WebKit/Source/core/animation/css/CSSAnimatableValueFactory.cpp b/third_party/WebKit/Source/core/animation/css/CSSAnimatableValueFactory.cpp
index 8f455bf4d031b1ad4f9e9441711a644586d3936b..a6e55c8631d9d5b45cda4c98fb5003990a609b51 100644
--- a/third_party/WebKit/Source/core/animation/css/CSSAnimatableValueFactory.cpp
+++ b/third_party/WebKit/Source/core/animation/css/CSSAnimatableValueFactory.cpp
@@ -407,6 +407,12 @@ PassRefPtr<AnimatableValue> CSSAnimatableValueFactory::create(
             CSSIdentifierValue::create(CSSValueAuto));
       }
       return createFromLengthBox(style.clip(), style);
+    case CSSPropertyCaretColor:
+      if (style.caretColor().isAutoColor()) {
+        return AnimatableUnknown::create(
+            CSSIdentifierValue::create(CSSValueAuto));
+      }
+      return createFromColor(property, style);
     case CSSPropertyColor:
       return createFromColor(property, style);
     case CSSPropertyFillOpacity: