DevTools: retain DTAH in all the targets to match their life time.

content/browser/devtools/devtools_http_handler.h

 // 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.
 
 #ifndef CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_HTTP_HANDLER_H_
 #define CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_HTTP_HANDLER_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 67 matching lines @@
   void OnWebSocketRequest(int connection_id,
                           const net::HttpServerRequestInfo& info);
   void OnWebSocketMessage(int connection_id, const std::string& data);
   void OnClose(int connection_id);
 
   void ServerStarted(base::Thread* thread,
                      ServerWrapper* server_wrapper,
                      DevToolsSocketFactory* socket_factory,
                      std::unique_ptr<net::IPEndPoint> ip_address);
 
-  scoped_refptr<DevToolsAgentHost> GetAgentHost(
-      const std::string& target_id);
-
   void SendJson(int connection_id,
                 net::HttpStatusCode status_code,
                 base::Value* value,
                 const std::string& message);
   void Send200(int connection_id,
                const std::string& data,
                const std::string& mime_type);
   void Send404(int connection_id);
   void Send500(int connection_id,
                const std::string& message);
@@ skipping 13 matching lines @@
   std::string frontend_url_;
   std::string product_name_;
   std::string user_agent_;
   ServerWrapper* server_wrapper_;
   std::unique_ptr<net::IPEndPoint> server_ip_address_;
   using ConnectionToClientMap =
       std::map<int, std::unique_ptr<DevToolsAgentHostClientImpl>>;
   ConnectionToClientMap connection_to_client_;
   DevToolsManagerDelegate* delegate_;
   DevToolsSocketFactory* socket_factory_;
-  using DescriptorMap =
-      std::map<std::string, scoped_refptr<DevToolsAgentHost>>;
-  DescriptorMap agent_host_map_;
   base::WeakPtrFactory<DevToolsHttpHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DevToolsHttpHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_DEVTOOLS_HTTP_HANDLER_H_