Disable SocketApiTest.SocketUDPExtension. Timing out on Win and Mac.

chrome/browser/extensions/api/socket/socket_apitest.cc

Index: chrome/browser/extensions/api/socket/socket_apitest.cc
diff --git a/chrome/browser/extensions/api/socket/socket_apitest.cc b/chrome/browser/extensions/api/socket/socket_apitest.cc
index ad238914d0c78805cb30fc7a54c5b088e9f30a09..bc5997f6a9a5508f0649487c338a7e207838c5a2 100644
--- a/chrome/browser/extensions/api/socket/socket_apitest.cc
+++ b/chrome/browser/extensions/api/socket/socket_apitest.cc
@@ -95,7 +95,7 @@ IN_PROC_BROWSER_TEST_F(SocketApiTest, SocketCreateBad) {
 }
 
 // http://crbug.com/111572
-IN_PROC_BROWSER_TEST_F(SocketApiTest, FLAKY_SocketUDPExtension) {
+IN_PROC_BROWSER_TEST_F(SocketApiTest, DISABLED_SocketUDPExtension) {
   scoped_ptr<net::TestServer> test_server(
       new net::TestServer(net::TestServer::TYPE_UDP_ECHO,
                           FilePath(FILE_PATH_LITERAL("net/data"))));