[Typed OM] Output correct types from CSSKeywordValue for css-wide keywords

third_party/WebKit/Source/core/css/cssom/CSSKeywordValue.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/cssom/CSSKeywordValue.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/css/CSSCustomIdentValue.h"
 #include "core/css/CSSIdentifierValue.h"
+#include "core/css/CSSInheritedValue.h"
+#include "core/css/CSSInitialValue.h"
+#include "core/css/CSSUnsetValue.h"
 #include "core/css/parser/CSSPropertyParser.h"
 
 namespace blink {
 
 CSSKeywordValue* CSSKeywordValue::create(const AtomicString& keyword,
                                          ExceptionState& exceptionState) {
   if (keyword.isEmpty()) {
     exceptionState.throwTypeError(
         "CSSKeywordValue does not support empty strings");
     return nullptr;
@@ skipping 33 matching lines @@
 const AtomicString& CSSKeywordValue::keywordValue() const {
   return m_keywordValue;
 }
 
 CSSValueID CSSKeywordValue::keywordValueID() const {
   return cssValueKeywordID(m_keywordValue);
 }
 
 CSSValue* CSSKeywordValue::toCSSValue() const {
   CSSValueID keywordID = keywordValueID();
-  if (keywordID == CSSValueID::CSSValueInvalid) {
-    return CSSCustomIdentValue::create(m_keywordValue);
+  switch (keywordID) {
+    case (CSSValueInherit):
+      return CSSInheritedValue::create();
+    case (CSSValueInitial):
+      return CSSInitialValue::create();
+    case (CSSValueUnset):
+      return CSSUnsetValue::create();
+    case (CSSValueInvalid):
+      return CSSCustomIdentValue::create(m_keywordValue);
+    default:
+      return CSSIdentifierValue::create(keywordID);
   }
-  return CSSIdentifierValue::create(keywordID);
 }
 
 }  // namespace blink