Remove base::Value::CreateNullValue

content/browser/android/java/gin_java_method_invocation_helper.cc

 // Copyright 2014 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_method_invocation_helper.h"
 
 #include <unistd.h>
 #include <cmath>
 #include <utility>
 
 #include "base/android/event_log.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
+#include "base/memory/ptr_util.h"
 #include "content/browser/android/java/gin_java_script_to_java_types_coercion.h"
 #include "content/browser/android/java/java_method.h"
 #include "content/browser/android/java/jni_helper.h"
 #include "content/common/android/gin_java_bridge_value.h"
 #include "content/public/browser/browser_thread.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ScopedJavaLocalRef;
 
 namespace content {
@@ skipping 294 matching lines @@
       // first.
       jobject java_object =
           object ? env->CallObjectMethodA(object, id, parameters)
                  : env->CallStaticObjectMethodA(clazz, id, parameters);
       if (base::android::ClearException(env)) {
         SetInvocationError(kGinJavaBridgeJavaExceptionRaised);
         return;
       }
       ScopedJavaLocalRef<jobject> scoped_java_object(env, java_object);
       if (!scoped_java_object.obj()) {
-        result_wrapper.Append(base::Value::CreateNullValue());
+        result_wrapper.Append(base::MakeUnique<base::Value>());
         break;
       }
       SetObjectResult(scoped_java_object, object_->GetSafeAnnotationClass());
       return;
     }
   }
   // This is for all cases except JavaType::TypeObject.
   if (!base::android::ClearException(env)) {
     SetPrimitiveResult(result_wrapper);
   } else {
     SetInvocationError(kGinJavaBridgeJavaExceptionRaised);
   }
 }
 
 }  // namespace content