Remove raw DictionaryValue::Set in //components

components/sync/syncable/model_type.cc

Index: components/sync/syncable/model_type.cc
diff --git a/components/sync/syncable/model_type.cc b/components/sync/syncable/model_type.cc
index e1f4d49d127d3afc456ce0b151094b3d16c65c8c..20094c7b9ac6c0a0802a1a2c901c385c59346338 100644
--- a/components/sync/syncable/model_type.cc
+++ b/components/sync/syncable/model_type.cc
@@ -7,6 +7,7 @@
 #include <stddef.h>
 
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/string_split.h"
 #include "base/values.h"
 #include "components/reading_list/core/reading_list_enable_flags.h"
@@ -562,16 +563,16 @@ int ModelTypeToHistogramInt(ModelType model_type) {
   return 0;
 }
 
-base::Value* ModelTypeToValue(ModelType model_type) {
+std::unique_ptr<base::Value> ModelTypeToValue(ModelType model_type) {
   if (model_type >= FIRST_REAL_MODEL_TYPE) {
-    return new base::Value(ModelTypeToString(model_type));
+    return base::MakeUnique<base::Value>(ModelTypeToString(model_type));
   } else if (model_type == TOP_LEVEL_FOLDER) {
-    return new base::Value("Top-level folder");
+    return base::MakeUnique<base::Value>("Top-level folder");
   } else if (model_type == UNSPECIFIED) {
-    return new base::Value("Unspecified");
+    return base::MakeUnique<base::Value>("Unspecified");
   }
   NOTREACHED();
-  return new base::Value(std::string());
+  return base::MakeUnique<base::Value>(std::string());
 }
 
 ModelType ModelTypeFromValue(const base::Value& value) {