Move eintr_wrapper.h from base to base/posix

tools/android/fake_dns/fake_dns.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 <arpa/inet.h>
 #include <errno.h>
 #include <netinet/in.h>
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/socket.h>
 #include <sys/types.h>
 #include <unistd.h>
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
-#include "base/eintr_wrapper.h"
 #include "base/logging.h"
+#include "base/posix/eintr_wrapper.h"
 #include "base/safe_strerror_posix.h"
 #include "net/base/big_endian.h"
 #include "net/base/net_util.h"
 #include "net/dns/dns_protocol.h"
 #include "tools/android/common/daemon.h"
 #include "tools/android/common/net.h"
 
 namespace {
 
 // Mininum request size: 1 question containing 1 QNAME, 1 TYPE and 1 CLASS.
@@ skipping 197 matching lines @@
       LOG(ERROR) << "Failed to receive a request: " << strerror(errno);
       CloseFileDescriptor(sock);
       return 1;
     }
 
     if (size > 0)
       HandleRequest(sock, request, size, client_addr);
   }
 }