Generate enum/getters/setters/mappings for isolation.

third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h

Index: third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
diff --git a/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h b/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
index 5ef1f820691789b58f3d3a473cbadd3b0062344f..5f0e980eea953874ef0e2e247e08929ec012d83b 100644
--- a/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
+++ b/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
@@ -2355,34 +2355,6 @@ inline TouchAction CSSIdentifierValue::ConvertTo() const {
   return TouchAction::kTouchActionNone;
 }
 
-template <>
-inline CSSIdentifierValue::CSSIdentifierValue(EIsolation i)
-    : CSSValue(kIdentifierClass) {
-  switch (i) {
-    case EIsolation::kAuto:
-      value_id_ = CSSValueAuto;
-      break;
-    case EIsolation::kIsolate:
-      value_id_ = CSSValueIsolate;
-      break;
-  }
-}
-
-template <>
-inline EIsolation CSSIdentifierValue::ConvertTo() const {
-  switch (value_id_) {
-    case CSSValueAuto:
-      return EIsolation::kAuto;
-    case CSSValueIsolate:
-      return EIsolation::kIsolate;
-    default:
-      break;
-  }
-
-  NOTREACHED();
-  return EIsolation::kAuto;
-}
-
 template <>
 inline CSSIdentifierValue::CSSIdentifierValue(CSSBoxType css_box)
     : CSSValue(kIdentifierClass) {