Continue to clean c_str() calls.

remoting/host/register_support_host_request.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/host/register_support_host_request.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 149 matching lines @@
   if (!lifetime_element) {
     error << "<" << kSupportIdLifetimeTag
           << "> is missing in the host registration response: "
           << response->Str();
     *error_message = error.str();
     LOG(ERROR) << *error_message;
     return;
   }
 
   int lifetime_int;
-  if (!base::StringToInt(lifetime_element->BodyText().c_str(), &lifetime_int) ||
+  if (!base::StringToInt(lifetime_element->BodyText(), &lifetime_int) ||
       lifetime_int <= 0) {
     error << "<" << kSupportIdLifetimeTag
           << "> is malformed in the host registration response: "
           << response->Str();
     *error_message = error.str();
     LOG(ERROR) << *error_message;
     return;
   }
 
   *support_id = support_id_element->BodyText();
@@ skipping 17 matching lines @@
   // Cleanup state before calling the callback.
   request_.reset();
   iq_sender_.reset();
   signal_strategy_->RemoveListener(this);
   signal_strategy_ = nullptr;
 
   base::ResetAndReturn(&callback_).Run(support_id, lifetime, error_message);
 }
 
 }  // namespace remoting