Rewrite simple uses of base::ListValue::Append(base::Value*) on CrOS.

ash/common/system/chromeos/network/tray_sms.cc

Index: ash/common/system/chromeos/network/tray_sms.cc
diff --git a/ash/common/system/chromeos/network/tray_sms.cc b/ash/common/system/chromeos/network/tray_sms.cc
index 05d3b5b08511fe97d543ecec63a0e28c1e303296..f15ea483e06614c10e1c57e8cc42aa47022c5fee 100644
--- a/ash/common/system/chromeos/network/tray_sms.cc
+++ b/ash/common/system/chromeos/network/tray_sms.cc
@@ -4,6 +4,9 @@
 
 #include "ash/common/system/chromeos/network/tray_sms.h"
 
+#include <memory>
+#include <utility>
+
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/metrics/user_metrics_action.h"
 #include "ash/common/system/tray/fixed_sized_scroll_view.h"
@@ -368,10 +371,10 @@ void TraySms::MessageReceived(const base::DictionaryValue& message) {
       "Received SMS from: " + message_number + " with text: " + message_text,
       "");
 
-  base::DictionaryValue* dict = new base::DictionaryValue();
+  std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());

[sky, 2016/10/03 21:48:18]

MakeUnique?

   dict->SetString(kSmsNumberKey, message_number);
   dict->SetString(kSmsTextKey, message_text);
-  messages_.Append(dict);
+  messages_.Append(std::move(dict));
   Update(true);
 }