Remove base::Value::CreateNullValue

chrome/test/chromedriver/capabilities_unittest.cc

Index: chrome/test/chromedriver/capabilities_unittest.cc
diff --git a/chrome/test/chromedriver/capabilities_unittest.cc b/chrome/test/chromedriver/capabilities_unittest.cc
index a1a3e7ff248f9aa6e8ffa9783bb0d0421b830912..32fcd26fc1e6a1053c6f6610d9dd6b2ebd7fa1c0 100644
--- a/chrome/test/chromedriver/capabilities_unittest.cc
+++ b/chrome/test/chromedriver/capabilities_unittest.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/test/chromedriver/capabilities.h"
 
+#include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "chrome/test/chromedriver/chrome/log.h"
 #include "chrome/test/chromedriver/chrome/status.h"
@@ -304,8 +305,8 @@ TEST(ParseCapabilities, IgnoreNullValueForManualProxy) {
   base::DictionaryValue proxy;
   proxy.SetString("proxyType", "manual");
   proxy.SetString("ftpProxy", "localhost:9001");
-  proxy.Set("sslProxy", base::Value::CreateNullValue());
-  proxy.Set("noProxy", base::Value::CreateNullValue());
+  proxy.Set("sslProxy", base::MakeUnique<base::Value>());
+  proxy.Set("noProxy", base::MakeUnique<base::Value>());
   base::DictionaryValue caps;
   caps.Set("proxy", proxy.DeepCopy());
   Status status = capabilities.Parse(caps);