Set TCP_KEEPALIVE idle and interval on Android.

net/socket/tcp_client_socket_libevent.cc

 // Copyright (c) 2012 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/socket/tcp_client_socket.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <netdb.h>
 #include <sys/socket.h>
@@ skipping 34 matching lines @@
   return error == 0;
 }
 
 // SetTCPKeepAlive sets SO_KEEPALIVE.
 bool  SetTCPKeepAlive(int fd, bool enable, int delay) {
   int on = enable ? 1 : 0;
   if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on))) {
     PLOG(ERROR) << "Failed to set SO_KEEPALIVE on fd: " << fd;
     return false;
   }
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_ANDROID)
   // Set seconds until first TCP keep alive.
   if (setsockopt(fd, SOL_TCP, TCP_KEEPIDLE, &delay, sizeof(delay))) {
     PLOG(ERROR) << "Failed to set TCP_KEEPIDLE on fd: " << fd;
     return false;
   }
   // Set seconds between TCP keep alives.
   if (setsockopt(fd, SOL_TCP, TCP_KEEPINTVL, &delay, sizeof(delay))) {
     PLOG(ERROR) << "Failed to set TCP_KEEPINTVL on fd: " << fd;
     return false;
   }
@@ skipping 717 matching lines @@
 
 NextProto TCPClientSocketLibevent::GetNegotiatedProtocol() const {
   return kProtoUnknown;
 }
 
 bool TCPClientSocketLibevent::GetSSLInfo(SSLInfo* ssl_info) {
   return false;
 }
 
 }  // namespace net