Remove base::Value::CreateNullValue

content/browser/android/java/gin_java_bridge_message_filter.cc

 // 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 "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"
 #include "content/common/gin_java_bridge_messages.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
 
 #if !defined(OS_ANDROID)
 #error "JavaBridge only supports OS_ANDROID"
@@ skipping 130 matching lines @@
     const std::string& method_name,
     const base::ListValue& arguments,
     base::ListValue* wrapped_result,
     content::GinJavaBridgeError* error_code) {
   DCHECK(JavaBridgeThread::CurrentlyOn());
   GinJavaBridgeDispatcherHost* host = FindHost();
   if (host) {
     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;
   }
 }
 
 void GinJavaBridgeMessageFilter::OnObjectWrapperDeleted(
     GinJavaBoundObject::ObjectID object_id) {
   DCHECK(JavaBridgeThread::CurrentlyOn());
   GinJavaBridgeDispatcherHost* host = FindHost();
   if (host)
     host->OnObjectWrapperDeleted(current_routing_id_, object_id);
 }
 
 // static
 void GinJavaBridgeMessageFilter::RemoveFilter(
     GinJavaBridgeDispatcherHost* host) {
   RenderProcessHost* rph = host->web_contents()->GetRenderProcessHost();
   rph->RemoveUserData(kGinJavaBridgeMessageFilterKey);
 }
 
 }  // namespace content