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

remoting/host/video_frame_recorder_host_extension.cc

 // Copyright 2014 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/video_frame_recorder_host_extension.h"
 
 #include "base/base64.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
@@ skipping 141 matching lines @@
 
     // Copy the Base64 data into the message.
     const char kData[] = "data";
     reply_message.SetString(kData, base64_data);
   }
 
   // JSON-encode the reply into a string.
   // Note that JSONWriter::Write() can only fail due to invalid inputs, and will
   // DCHECK in Debug builds in that case.
   std::string reply_json;
-  if (!base::JSONWriter::Write(&reply_message, &reply_json)) {
+  if (!base::JSONWriter::Write(reply_message, &reply_json)) {
     return;
   }
 
   // Return the frame (or a 'data'-less reply) to the client.
   protocol::ExtensionMessage message;
   message.set_type(kVideoRecorderType);
   message.set_data(reply_json);
   client_stub->DeliverHostMessage(message);
 }
 
@@ skipping 15 matching lines @@
 
 scoped_ptr<HostExtensionSession>
 VideoFrameRecorderHostExtension::CreateExtensionSession(
     ClientSessionControl* client_session_control,
     protocol::ClientStub* client_stub) {
   return make_scoped_ptr(
       new VideoFrameRecorderHostExtensionSession(max_content_bytes_));
 }
 
 }  // namespace remoting