Unsigned warning fix - take 2

chrome/browser/debugger/devtools_remote_listen_socket_unittest.cc

Index: chrome/browser/debugger/devtools_remote_listen_socket_unittest.cc
===================================================================
--- chrome/browser/debugger/devtools_remote_listen_socket_unittest.cc	(revision 48256)
+++ chrome/browser/debugger/devtools_remote_listen_socket_unittest.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -79,7 +79,7 @@
 
   // verify the connect/accept and setup test_socket_
   test_socket_ = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
-  ASSERT_NE(-1, test_socket_);
+  ASSERT_NE(INVALID_SOCKET, test_socket_);
   struct sockaddr_in client;
   client.sin_family = AF_INET;
   client.sin_addr.s_addr = inet_addr(kLoopback);