Remove base::Value::CreateNullValue

content/browser/android/java/gin_java_bridge_message_filter.cc

Index: content/browser/android/java/gin_java_bridge_message_filter.cc
diff --git a/content/browser/android/java/gin_java_bridge_message_filter.cc b/content/browser/android/java/gin_java_bridge_message_filter.cc
index dd45d0a5ecb75e877e50124c56847abf13583a04..2506d0d7e2543bb5cd13ca202b8c09a6a722f02f 100644
--- a/content/browser/android/java/gin_java_bridge_message_filter.cc
+++ b/content/browser/android/java/gin_java_bridge_message_filter.cc
@@ -5,6 +5,7 @@
 #include "content/browser/android/java/gin_java_bridge_message_filter.h"
 
 #include "base/auto_reset.h"
+#include "base/memory/ptr_util.h"
 #include "build/build_config.h"
 #include "content/browser/android/java/gin_java_bridge_dispatcher_host.h"
 #include "content/browser/android/java/java_bridge_thread.h"
@@ -155,7 +156,7 @@ void GinJavaBridgeMessageFilter::OnInvokeMethod(
     host->OnInvokeMethod(current_routing_id_, object_id, method_name, arguments,
                          wrapped_result, error_code);
   } else {
-    wrapped_result->Append(base::Value::CreateNullValue());
+    wrapped_result->Append(base::MakeUnique<base::Value>());
     *error_code = kGinJavaBridgeRenderFrameDeleted;
   }
 }