Make use of CreateInterfacePtrAndBind() where appropriate

components/devtools_service/devtools_agent_host.cc

 // Copyright 2015 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 "components/devtools_service/devtools_agent_host.h"
 
 #include <utility>
 
 namespace devtools_service {
 
 DevToolsAgentHost::DevToolsAgentHost(const std::string& id,
                                      DevToolsAgentPtr agent)
     : id_(id), agent_(std::move(agent)), binding_(this), delegate_(nullptr) {}
 
 DevToolsAgentHost::~DevToolsAgentHost() {
   if (delegate_)
     delegate_->OnAgentHostClosed(this);
 }
 
 void DevToolsAgentHost::SetDelegate(Delegate* delegate) {
   delegate_ = delegate;
   if (delegate_) {
     if (binding_.is_bound())
       return;
 
-    DevToolsAgentClientPtr client;
-    binding_.Bind(&client);
-    agent_->SetClient(std::move(client));
+    agent_->SetClient(binding_.CreateInterfacePtrAndBind());
   } else {
     if (!binding_.is_bound())
       return;
 
     binding_.Close();
   }
 }
 
 void DevToolsAgentHost::SendProtocolMessageToAgent(const std::string& message) {
   agent_->DispatchProtocolMessage(message);
 }
 
 void DevToolsAgentHost::DispatchProtocolMessage(int32_t call_id,
                                                 const mojo::String& message,
                                                 const mojo::String& state) {
   delegate_->DispatchProtocolMessage(this, message);
 }
 
 }  // namespace devtools_service