base::Bind: Convert Socket::Read.

net/socket/ssl_client_socket_mac.h

Index: net/socket/ssl_client_socket_mac.h
diff --git a/net/socket/ssl_client_socket_mac.h b/net/socket/ssl_client_socket_mac.h
index 54d2dd997ca78d1df3821b1bbf6880816cd419ae..361252fab19524e15f5cf1769d3a5d3b419df6ec 100644
--- a/net/socket/ssl_client_socket_mac.h
+++ b/net/socket/ssl_client_socket_mac.h
@@ -70,6 +70,9 @@ class SSLClientSocketMac : public SSLClientSocket {
   virtual int Read(IOBuffer* buf,
                    int buf_len,
                    OldCompletionCallback* callback) OVERRIDE;
+  virtual int Read(IOBuffer* buf,
+                   int buf_len,
+                   const CompletionCallback& callback) OVERRIDE;
   virtual int Write(IOBuffer* buf,
                     int buf_len,
                     OldCompletionCallback* callback) OVERRIDE;
@@ -120,7 +123,8 @@ class SSLClientSocketMac : public SSLClientSocket {
 
   OldCompletionCallback* old_user_connect_callback_;
   CompletionCallback user_connect_callback_;
-  OldCompletionCallback* user_read_callback_;
+  OldCompletionCallback* old_user_read_callback_;
+  CompletionCallback user_read_callback_;
   OldCompletionCallback* user_write_callback_;
 
   // Used by Read function.