Move UnixDomainSocket to base namespace

components/nacl/loader/nacl_helper_linux.cc

 // Copyright 2013 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.
 
 // A mini-zygote specifically for Native Client.
 
 #include "components/nacl/loader/nacl_helper_linux.h"
 
 #include <errno.h>
 #include <fcntl.h>
@@ skipping 258 matching lines @@
       have_to_reply =
           HandleGetTerminationStatusRequest(input_iter, &write_pickle);
       break;
     default:
       LOG(ERROR) << "Unsupported command from Zygote";
       return false;
   }
   if (!have_to_reply)
     return false;
   const std::vector<int> empty;  // We never send file descriptors back.
-  if (!UnixDomainSocket::SendMsg(reply_fd, write_pickle.data(),
-                                 write_pickle.size(), empty)) {
+  if (!base::UnixDomainSocket::SendMsg(reply_fd, write_pickle.data(),
+                                       write_pickle.size(), empty)) {
     LOG(ERROR) << "*** send() to zygote failed";
     return false;
   }
   return true;
 }
 
 // Read a request from the Zygote from |zygote_ipc_fd| and handle it.
 // Die on EOF from |zygote_ipc_fd|.
 bool HandleZygoteRequest(int zygote_ipc_fd,
                          const NaClLoaderSystemInfo& system_info,
                          nacl::NaClSandbox* nacl_sandbox) {
   ScopedVector<base::ScopedFD> fds;
   char buf[kNaClMaxIPCMessageLength];
-  const ssize_t msglen = UnixDomainSocket::RecvMsg(zygote_ipc_fd,
+  const ssize_t msglen = base::UnixDomainSocket::RecvMsg(zygote_ipc_fd,
       &buf, sizeof(buf), &fds);
   // If the Zygote has started handling requests, we should be sandboxed via
   // the setuid sandbox.
   if (!nacl_sandbox->layer_one_enabled()) {
     LOG(ERROR) << "NaCl helper process running without a sandbox!\n"
       << "Most likely you need to configure your SUID sandbox "
       << "correctly";
   }
   if (msglen == 0 || (msglen == -1 && errno == ECONNRESET)) {
     // EOF from the browser. Goodbye!
@@ skipping 156 matching lines @@
 #if !defined(THREAD_SANITIZER)
   CHECK(nacl_sandbox->IsSingleThreaded());
 #endif
 
   const bool is_init_process = 1 == getpid();
   nacl_sandbox->InitializeLayerOneSandbox();
   CHECK_EQ(is_init_process, nacl_sandbox->layer_one_enabled());
 
   const std::vector<int> empty;
   // Send the zygote a message to let it know we are ready to help
-  if (!UnixDomainSocket::SendMsg(kNaClZygoteDescriptor,
-                                 kNaClHelperStartupAck,
-                                 sizeof(kNaClHelperStartupAck), empty)) {
+  if (!base::UnixDomainSocket::SendMsg(kNaClZygoteDescriptor,
+                                       kNaClHelperStartupAck,
+                                       sizeof(kNaClHelperStartupAck), empty)) {
     LOG(ERROR) << "*** send() to zygote failed";
   }
 
   // Now handle requests from the Zygote.
   while (true) {
     bool request_handled = HandleZygoteRequest(
         kNaClZygoteDescriptor, system_info, nacl_sandbox.get());
     // Do not turn this into a CHECK() without thinking about robustness
     // against malicious IPC requests.
     DCHECK(request_handled);
   }
   NOTREACHED();
 }