More base::Values-related bare pointer -> scoped_ptr conversions

extensions/renderer/script_injection.cc

Index: extensions/renderer/script_injection.cc
diff --git a/extensions/renderer/script_injection.cc b/extensions/renderer/script_injection.cc
index 5165ed1bbd7acec0150afca005261257b14ac37b..db11923eeb96eb83f3c25c64edbb6d0000ea1fdd 100644
--- a/extensions/renderer/script_injection.cc
+++ b/extensions/renderer/script_injection.cc
@@ -317,7 +317,7 @@ void ScriptInjection::OnJsInjectionCompleted(
       result.reset(v8_converter->FromV8Value(results[0], context));
     }
     if (!result.get())
-      result.reset(base::Value::CreateNullValue());
+      result = base::Value::CreateNullValue();
     // We guarantee that the main frame's result is at the first index, but
     // any sub frames results do not have guaranteed order.
     execution_results_->Insert(