Support creating mojo peer connections from named pipes.

mojo/edk/embedder/platform_handle.h

 // 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.
 
 #ifndef MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_H_
 #define MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_H_
 
 #include "build/build_config.h"
 #include "mojo/edk/system/system_impl_export.h"
 
@@ skipping 35 matching lines @@
     // be resolved to a real port later. This distinction is needed so that the
     // "port" doesn't try to be closed if CloseIfNecessary() is called. Having
     // this also allows us to do checks in other places.
     MACH_NAME,
 #endif
   };
   Type type = Type::POSIX;
 
   int handle = -1;
 
+  // A POSIX handle may be a listen handle that can accept a connection.
+  bool needs_connection = false;
+
 #if defined(OS_MACOSX) && !defined(OS_IOS)
   mach_port_t port = MACH_PORT_NULL;
 #endif
 };
 #elif defined(OS_WIN)
 struct MOJO_SYSTEM_IMPL_EXPORT PlatformHandle {
   PlatformHandle() : PlatformHandle(INVALID_HANDLE_VALUE) {}
   explicit PlatformHandle(HANDLE handle)
       : handle(handle), owning_process(base::GetCurrentProcessHandle()) {}
 
@@ skipping 12 matching lines @@
   bool needs_connection = false;
 };
 #else
 #error "Platform not yet supported."
 #endif
 
 }  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_EMBEDDER_PLATFORM_HANDLE_H_