Mojo: more idiomatic C++ bindings

mojo/public/cpp/shell/lib/application.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 "mojo/public/cpp/shell/application.h"
 
 namespace mojo {
 
 Application::Application(ScopedMessagePipeHandle shell_handle)
     : internal::ServiceConnectorBase::Owner(shell_handle.Pass()) {
@@ skipping 23 matching lines @@
     if (*it == service_connector) {
       service_connectors_.erase(it);
       delete service_connector;
       break;
     }
   }
   if (service_connectors_.empty())
     shell_.reset();
 }
 
-void Application::AcceptConnection(const mojo::String& url,
+void Application::AcceptConnection(mojo::String url,
                                    ScopedMessagePipeHandle client_handle) {
   // TODO(davemoore): This method must be overridden by an Application subclass
   // to dispatch to the right ServiceConnector. We need to figure out an
   // approach to registration to make this better.
   assert(1 == service_connectors_.size());
-  return service_connectors_.front()->AcceptConnection(url.To<std::string>(),
+  return service_connectors_.front()->AcceptConnection(url,
                                                        client_handle.Pass());
 }
 
 }  // namespace mojo