Return a unique_ptr from BinaryValue::CreateWithCopiedBuffer.

chrome/browser/extensions/api/idltest/idltest_api.cc

Index: chrome/browser/extensions/api/idltest/idltest_api.cc
diff --git a/chrome/browser/extensions/api/idltest/idltest_api.cc b/chrome/browser/extensions/api/idltest/idltest_api.cc
index 3f280cf5e194423aa2b0e98e6db7ee7823378b71..7b341530d7459be41316cb3348649471c261031a 100644
--- a/chrome/browser/extensions/api/idltest/idltest_api.cc
+++ b/chrome/browser/extensions/api/idltest/idltest_api.cc
@@ -8,7 +8,6 @@
 
 #include <memory>
 
-#include "base/memory/ptr_util.h"
 #include "base/values.h"
 
 using base::BinaryValue;
@@ -43,8 +42,6 @@ bool IdltestSendArrayBufferViewFunction::RunSync() {
 
 bool IdltestGetArrayBufferFunction::RunSync() {
   std::string hello = "hello world";
-  BinaryValue* output =
-      BinaryValue::CreateWithCopiedBuffer(hello.c_str(), hello.size());
-  SetResult(base::WrapUnique(output));
+  SetResult(BinaryValue::CreateWithCopiedBuffer(hello.c_str(), hello.size()));
   return true;
 }