Remove BindStateHolder and have Bind() return a Callback<> object directly.

net/spdy/spdy_proxy_client_socket_unittest.cc

 // Copyright (c) 2011 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 "net/spdy/spdy_proxy_client_socket.h"
 
 #include "base/utf_string_conversions.h"
 #include "net/base/address_list.h"
 #include "net/base/net_log.h"
 #include "net/base/net_log_unittest.h"
@@ skipping 1328 matching lines @@
 
   AssertConnectSucceeds();
 
   EXPECT_TRUE(sock_->IsConnected());
 
   DeleteSockCallback read_callback(&sock_);
 
   scoped_refptr<IOBuffer> read_buf(new IOBuffer(kLen1));
   ASSERT_EQ(ERR_IO_PENDING,
             sock_->Read(read_buf, kLen1,
-                        base::Bind(&DeleteSockCallback::Run<int>,
-                                   base::Unretained(&read_callback))));
+                        base::Bind(&OldCompletionCallbackAdapter,
+                                   &read_callback)));
 
   scoped_refptr<IOBufferWithSize> write_buf(CreateBuffer(kMsg1, kLen1));
   EXPECT_EQ(ERR_IO_PENDING, sock_->Write(write_buf, write_buf->size(),
                                          write_callback_.callback()));
 
   Run(2);
 
   EXPECT_FALSE(sock_.get());
   EXPECT_TRUE(read_callback.have_result());
   EXPECT_FALSE(write_callback_.have_result());
 }
 
 }  // namespace net