Non-SFI Mode: Build ipc/ library by PNaCl toolchain for nacl_helper_nonsfi.

ipc/ipc_channel_posix.h

Index: ipc/ipc_channel_posix.h
diff --git a/ipc/ipc_channel_posix.h b/ipc/ipc_channel_posix.h
index c6da141d975c553d500e1786846d1b07f6d8ea72..8b769d159cce9237550f4da58b2f9af77abfc118 100644
--- a/ipc/ipc_channel_posix.h
+++ b/ipc/ipc_channel_posix.h
@@ -85,9 +85,9 @@ class IPC_EXPORT ChannelPosix : public Channel,
   void CloseClientFileDescriptor();
 
   static bool IsNamedServerInitialized(const std::string& channel_id);
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(__native_client_nonsfi__)
   static void SetGlobalPid(int pid);
-#endif  // OS_LINUX
+#endif
 
  private:
   bool CreatePipe(const IPC::ChannelHandle& channel_handle);
@@ -214,10 +214,10 @@ class IPC_EXPORT ChannelPosix : public Channel,
   // True if we are responsible for unlinking the unix domain socket file.
   bool must_unlink_;
 
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(__native_client_nonsfi__)
   // If non-zero, overrides the process ID sent in the hello message.
   static int global_pid_;
-#endif  // OS_LINUX
+#endif
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ChannelPosix);
 };