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

remoting/host/native_messaging/native_messaging_writer.cc

 // Copyright 2013 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/host/native_messaging/native_messaging_writer.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/json/json_writer.h"
@@ skipping 26 matching lines @@
 NativeMessagingWriter::~NativeMessagingWriter() {
 }
 
 bool NativeMessagingWriter::WriteMessage(const base::Value& message) {
   if (fail_) {
     LOG(ERROR) << "Stream marked as corrupt.";
     return false;
   }
 
   std::string message_json;
-  base::JSONWriter::Write(&message, &message_json);
+  base::JSONWriter::Write(message, &message_json);
 
   CHECK_LE(message_json.length(), kMaximumMessageSize);
 
   // Cast from size_t to the proper header type. The check above ensures this
   // won't overflow.
   MessageLengthType message_length =
       static_cast<MessageLengthType>(message_json.length());
 
   int result = write_stream_.WriteAtCurrentPos(
       reinterpret_cast<char*>(&message_length), kMessageHeaderSize);
@@ skipping 14 matching lines @@
   if (result != message_length_as_int) {
     LOG(ERROR) << "Failed to send message body, write returned " << result;
     fail_ = true;
     return false;
   }
 
   return true;
 }
 
 }  // namespace remoting