Rewrite simple uses of base::ListValue::Append() taking a raw pointer var.

chrome/browser/ui/webui/nacl_ui.cc

Index: chrome/browser/ui/webui/nacl_ui.cc
diff --git a/chrome/browser/ui/webui/nacl_ui.cc b/chrome/browser/ui/webui/nacl_ui.cc
index 79fe16e5e1bd91840e0581e5b1138e6fd3e7a7aa..f153fccba36b364233c01f45fabebb0e07350881 100644
--- a/chrome/browser/ui/webui/nacl_ui.cc
+++ b/chrome/browser/ui/webui/nacl_ui.cc
@@ -6,7 +6,9 @@
 
 #include <stddef.h>
 
+#include <memory>
 #include <string>
+#include <utility>
 #include <vector>
 
 #include "base/bind.h"
@@ -159,10 +161,10 @@ void NaClDomHandler::RegisterMessages() {
 void AddPair(base::ListValue* list,
              const base::string16& key,
              const base::string16& value) {
-  base::DictionaryValue* results = new base::DictionaryValue();
+  std::unique_ptr<base::DictionaryValue> results(new base::DictionaryValue());
   results->SetString("key", key);
   results->SetString("value", value);
-  list->Append(results);
+  list->Append(std::move(results));
 }
 
 // Generate an empty data-pair which acts as a line break.