Remove raw base::DictionaryValue::Set in //content

content/renderer/devtools/devtools_agent.cc

Index: content/renderer/devtools/devtools_agent.cc
diff --git a/content/renderer/devtools/devtools_agent.cc b/content/renderer/devtools/devtools_agent.cc
index a9b2b5929bb756df2ab7a1268eb8ba4a0f3251f7..4754c46dc2e53a43971cf4676122352dae983d0a 100644
--- a/content/renderer/devtools/devtools_agent.cc
+++ b/content/renderer/devtools/devtools_agent.cc
@@ -7,6 +7,7 @@
 #include <stddef.h>
 
 #include <map>
+#include <utility>
 
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
@@ -338,8 +339,8 @@ void DevToolsAgent::GotManifest(int session_id,
   result->SetString("url", url.Utf16());
   if (!failed)
     result->SetString("data", debug_info.raw_data);
-  result->Set("errors", errors.release());
-  response->Set("result", result.release());
+  result->Set("errors", std::move(errors));
+  response->Set("result", std::move(result));
 
   std::string json_message;
   base::JSONWriter::Write(*response, &json_message);