Open socket for NaCl GDB debug stub in browser process.

chrome/browser/nacl_host/nacl_process_host.h

Index: chrome/browser/nacl_host/nacl_process_host.h
===================================================================
--- chrome/browser/nacl_host/nacl_process_host.h	(revision 156494)
+++ chrome/browser/nacl_host/nacl_process_host.h	(working copy)
@@ -17,6 +17,7 @@
 #include "content/public/browser/browser_child_process_host_delegate.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_channel_handle.h"
+#include "net/base/tcp_listen_socket.h"
 
 class ChromeRenderMessageFilter;
 class CommandLine;
@@ -91,6 +92,12 @@
   bool LaunchNaClGdb(base::ProcessId pid);
   void OnNaClGdbAttached();
 #endif
+#if defined(OS_POSIX)
+  // Create bound TCP socket in the browser process so that the NaCl GDB debug
+  // stub can use it to accept incoming connections even when the Chrome sandbox
+  // is enabled.
+  SocketDescriptor GetDebugStubSocketHandle();
+#endif
   // Get path to manifest on local disk if possible.
   FilePath GetManifestPath();
   bool LaunchSelLdr();