Replace OS_LINUX ifdefs with OS_POSIX & !OS_MACOSX, TOOLKIT_USES_GTK, or

content/browser/renderer_host/render_sandbox_host_linux.cc

 // Copyright (c) 2011 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 "content/browser/renderer_host/render_sandbox_host_linux.h"
 
 #include <fcntl.h>
 #include <fontconfig/fontconfig.h>
 #include <stdint.h>
 #include <unistd.h>
@@ skipping 647 matching lines @@
   DCHECK(!initialized_);
   initialized_ = true;
 
   int fds[2];
   // We use SOCK_SEQPACKET rather than SOCK_DGRAM to prevent the renderer from
   // sending datagrams to other sockets on the system. The sandbox may prevent
   // the renderer from calling socket() to create new sockets, but it'll still
   // inherit some sockets. With PF_UNIX+SOCK_DGRAM, it can call sendmsg to send
   // a datagram to any (abstract) socket on the same system. With
   // SOCK_SEQPACKET, this is prevented.
+#if defined(OS_FREEBSD) || defined(OS_OPENBSD)
+  // The BSDs often don't support SOCK_SEQPACKET yet, so fall back to
+  // SOCK_DGRAM if necessary.
+  if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, fds) != 0)
+    CHECK(socketpair(AF_UNIX, SOCK_DGRAM, 0, fds) == 0);
+#else
   CHECK(socketpair(AF_UNIX, SOCK_SEQPACKET, 0, fds) == 0);
+#endif
 
   renderer_socket_ = fds[0];
   const int browser_socket = fds[1];
 
   int pipefds[2];
   CHECK(0 == pipe(pipefds));
   const int child_lifeline_fd = pipefds[0];
   childs_lifeline_fd_ = pipefds[1];
 
   pid_ = fork();
   if (pid_ == 0) {
     SandboxIPCProcess handler(child_lifeline_fd, browser_socket, sandbox_path);
     handler.Run();
     _exit(0);
   }
 }
 
 RenderSandboxHostLinux::~RenderSandboxHostLinux() {
   if (initialized_) {
     if (HANDLE_EINTR(close(renderer_socket_)) < 0)
       PLOG(ERROR) << "close";
     if (HANDLE_EINTR(close(childs_lifeline_fd_)) < 0)
       PLOG(ERROR) << "close";
   }
 }