DevTools: implement basic handshake for remote debugging.

net/server/http_listen_socket.h

Index: net/server/http_listen_socket.h
diff --git a/net/server/http_listen_socket.h b/net/server/http_listen_socket.h
index 5517af004c5075863da0cc2f59fcb8a0eedd2fbd..536abb25246bb6a9c89abdb74906573b3b354760 100644
--- a/net/server/http_listen_socket.h
+++ b/net/server/http_listen_socket.h
@@ -16,10 +16,10 @@ class HttpListenSocket : public ListenSocket,
   class Delegate {
    public:
     virtual void OnHttpRequest(HttpListenSocket* socket,
-                               HttpServerRequestInfo* info) = 0;
+                               const HttpServerRequestInfo& info) = 0;
 
     virtual void OnWebSocketRequest(HttpListenSocket* socket,
-                                    HttpServerRequestInfo* info) = 0;
+                                    const HttpServerRequestInfo& info) = 0;
 
     virtual void OnWebSocketMessage(HttpListenSocket* socket,
                                     const std::string& data) = 0;
@@ -29,16 +29,22 @@ class HttpListenSocket : public ListenSocket,
     virtual ~Delegate() {}
   };
 
+  virtual void Accept();
+
   static HttpListenSocket* Listen(const std::string& ip,
                                   int port,
                                   HttpListenSocket::Delegate* delegate);
 
-  void AcceptWebSocket(HttpServerRequestInfo* request);
+  void AcceptWebSocket(const HttpServerRequestInfo& request);
 
   void SendOverWebSocket(const std::string& data);
 
+  void Send200(const std::string& data, const std::string& mime_type);
+  void Send404();
+  void Send500(const std::string& message);
+
+  void Close() { ListenSocket::Close(); }
   void Listen() { ListenSocket::Listen(); }
-  virtual void Accept();
 
   // ListenSocketDelegate
   virtual void DidAccept(ListenSocket* server, ListenSocket* connection);
@@ -53,7 +59,7 @@ class HttpListenSocket : public ListenSocket,
   // Expects the raw data to be stored in recv_data_. If parsing is successful,
   // will remove the data parsed from recv_data_, leaving only the unused
   // recv data.
-  HttpServerRequestInfo* ParseHeaders();
+  bool ParseHeaders(HttpServerRequestInfo* info);
 
   HttpListenSocket::Delegate* delegate_;
   bool is_web_socket_;