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

chrome/browser/chromeos/bluetooth/bluetooth_pairing_dialog.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 "chrome/browser/chromeos/bluetooth/bluetooth_pairing_dialog.h"
 
 #include "base/json/json_writer.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/common/url_constants.h"
@@ skipping 58 matching lines @@
 void BluetoothPairingDialog::GetWebUIMessageHandlers(
     std::vector<WebUIMessageHandler*>* handlers) const {
 }
 
 void BluetoothPairingDialog::GetDialogSize(gfx::Size* size) const {
   size->SetSize(kDefaultWidth, kDefaultHeight);
 }
 
 std::string BluetoothPairingDialog::GetDialogArgs() const {
   std::string data;
-  base::JSONWriter::Write(&device_data_, &data);
+  base::JSONWriter::Write(device_data_, &data);
   return data;
 }
 
 void BluetoothPairingDialog::OnDialogClosed(const std::string& json_retval) {
   delete this;
 }
 
 void BluetoothPairingDialog::OnCloseContents(WebContents* source,
                                              bool* out_close_dialog) {
   *out_close_dialog = true;
 }
 
 bool BluetoothPairingDialog::ShouldShowDialogTitle() const {
   return true;
 }
 
 bool BluetoothPairingDialog::HandleContextMenu(
     const content::ContextMenuParams& params) {
   // Disable context menu.
   return true;
 }
 
 }  // namespace chromeos