Convert JsonWriter::Write to taking a const ref for the in-param

remoting/client/plugin/chromoting_instance.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/client/plugin/chromoting_instance.h"
 
 #include <string>
 #include <vector>
 
 #if defined(OS_NACL)
@@ skipping 998 matching lines @@
                                                const pp::VarDictionary& data) {
   pp::VarDictionary message;
   message.Set(pp::Var("method"), pp::Var(method));
   message.Set(pp::Var("data"), data);
   PostMessage(message);
 }
 
 void ChromotingInstance::PostLegacyJsonMessage(
     const std::string& method,
     scoped_ptr<base::DictionaryValue> data) {
-  scoped_ptr<base::DictionaryValue> message(new base::DictionaryValue());
-  message->SetString("method", method);
-  message->Set("data", data.release());
+  base::DictionaryValue message;
+  message.SetString("method", method);
+  message.Set("data", data.release());
 
   std::string message_json;
-  base::JSONWriter::Write(message.get(), &message_json);
+  base::JSONWriter::Write(message, &message_json);
   PostMessage(pp::Var(message_json));
 }
 
 void ChromotingInstance::SendTrappedKey(uint32 usb_keycode, bool pressed) {
   scoped_ptr<base::DictionaryValue> data(new base::DictionaryValue());
   data->SetInteger("usbKeycode", usb_keycode);
   data->SetBoolean("pressed", pressed);
   PostLegacyJsonMessage("trappedKeyEvent", data.Pass());
 }
 
@@ skipping 155 matching lines @@
 
 #if !defined(OS_NACL)
   // Log messages are forwarded to the webapp only in PNaCl version of the
   // plugin, so ProcessLogToUI() needs to be called explicitly in the non-PNaCl
   // version.
   ProcessLogToUI(message);
 #endif  // !defined(OS_NACL)
 }
 
 }  // namespace remoting