Upstream changes making ListenSocket an abstract class.

net/base/tcp_listen_socket.h

Index: net/base/tcp_listen_socket.h
diff --git a/net/base/listen_socket.h b/net/base/tcp_listen_socket.h
similarity index 58%
copy from net/base/listen_socket.h
copy to net/base/tcp_listen_socket.h
index 8223767d548738559056aa42eb241009eaebba17..da7940ac7bcc56856bff1ccca55a613ea6d57721 100644
--- a/net/base/listen_socket.h
+++ b/net/base/tcp_listen_socket.h
@@ -8,8 +8,8 @@
 // happen in that loop's thread always and that all other methods (including
 // constructors and destructors) should also be called from the same thread.
 
-#ifndef NET_BASE_LISTEN_SOCKET_H_
-#define NET_BASE_LISTEN_SOCKET_H_
+#ifndef NET_BASE_TCP_LISTEN_SOCKET_H_
+#define NET_BASE_TCP_LISTEN_SOCKET_H_
 #pragma once
 
 #include "build/build_config.h"
@@ -26,7 +26,7 @@
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "base/memory/ref_counted.h"
+#include "net/base/listen_socket.h"
 #include "net/base/net_export.h"
 
 #if defined(OS_POSIX)
@@ -35,39 +35,18 @@ typedef int SOCKET;
 
 namespace net {
 
-// Implements a raw socket interface
-class NET_EXPORT ListenSocket : public base::RefCountedThreadSafe<ListenSocket>,
+// Implements a TCP socket interface. Note that this is ref counted.
+class NET_EXPORT TCPListenSocket : public ListenSocket,
 #if defined(OS_WIN)
-                                public base::win::ObjectWatcher::Delegate {
+                                   public base::win::ObjectWatcher::Delegate {
 #elif defined(OS_POSIX)
-                                public MessageLoopForIO::Watcher {
+                                   public MessageLoopForIO::Watcher {
 #endif
  public:
-  // TODO(erikkay): this delegate should really be split into two parts
-  // to split up the listener from the connected socket.  Perhaps this class
-  // should be split up similarly.
-  class ListenSocketDelegate {
-   public:
-    virtual ~ListenSocketDelegate() {}
-
-    // server is the original listening Socket, connection is the new
-    // Socket that was created.  Ownership of connection is transferred
-    // to the delegate with this call.
-    virtual void DidAccept(ListenSocket *server, ListenSocket *connection) = 0;
-    virtual void DidRead(ListenSocket *connection,
-                         const char* data,
-                         int len) = 0;
-    virtual void DidClose(ListenSocket *sock) = 0;
-  };
-
   // Listen on port for the specified IP address.  Use 127.0.0.1 to only
   // accept local connections.
-  static ListenSocket* Listen(std::string ip, int port,
-                              ListenSocketDelegate* del);
-
-  // Send data to the socket.
-  void Send(const char* bytes, int len, bool append_linefeed = false);
-  void Send(const std::string& str, bool append_linefeed = false);
+  static TCPListenSocket* CreateAndListen(std::string ip, int port,
+                                          ListenSocketDelegate* del);
 
   // NOTE: This is for unit test use only!
   // Pause/Resume calling Read().  Note that ResumeReads() will also call
@@ -76,8 +55,6 @@ class NET_EXPORT ListenSocket : public base::RefCountedThreadSafe<ListenSocket>,
   void ResumeReads();
 
  protected:
-  friend class base::RefCountedThreadSafe<ListenSocket>;
-
   enum WaitState {
     NOT_WAITING      = 0,
     WAITING_ACCEPT   = 1,
@@ -87,13 +64,14 @@ class NET_EXPORT ListenSocket : public base::RefCountedThreadSafe<ListenSocket>,
   static const SOCKET kInvalidSocket;
   static const int kSocketError;
 
-  ListenSocket(SOCKET s, ListenSocketDelegate* del);
-  virtual ~ListenSocket();
-  static SOCKET Listen(std::string ip, int port);
+  TCPListenSocket(SOCKET s, ListenSocketDelegate* del);
+  virtual ~TCPListenSocket();
+  static SOCKET CreateAndBind(std::string ip, int port);
   // if valid, returned SOCKET is non-blocking
   static SOCKET Accept(SOCKET s);
 
-  virtual void SendInternal(const char* bytes, int len);
+  // Implements ListenSocket::SendInternal.
+  virtual void SendInternal(const char* bytes, int len) OVERRIDE;
 
   virtual void Listen();
   virtual void Accept();
@@ -121,15 +99,14 @@ class NET_EXPORT ListenSocket : public base::RefCountedThreadSafe<ListenSocket>,
 #endif
 
   SOCKET socket_;
-  ListenSocketDelegate *socket_delegate_;
 
  private:
   bool reads_paused_;
   bool has_pending_reads_;
 
-  DISALLOW_COPY_AND_ASSIGN(ListenSocket);
+  DISALLOW_COPY_AND_ASSIGN(TCPListenSocket);
 };
 
 }  // namespace net
 
-#endif  // NET_BASE_LISTEN_SOCKET_H_
+#endif  // NET_BASE_TCP_LISTEN_SOCKET_H_