Support creating mojo peer connections from named pipes.

mojo/edk/embedder/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/nacl/config.gni")
 
 source_set("headers") {
   sources = [
     "configuration.h",
     "embedder.h",
     "embedder_internal.h",
     "named_platform_channel_pair.h",
+    "named_platform_handle.h",
+    "named_platform_handle_utils.h",
     "platform_channel_pair.h",
     "platform_handle.h",
     "platform_handle_utils.h",
     "process_delegate.h",
     "scoped_platform_handle.h",
   ]
 
   public_deps = [
     "//base",
     "//mojo/public/cpp/system",
@@ skipping 47 matching lines @@
   # This isn't really a standalone target; it must be linked into the
   # mojo_system_impl component.
   visibility = [
     ":embedder",
     "//mojo/edk/system",
   ]
 
   sources = [
     "named_platform_channel_pair.h",
     "named_platform_channel_pair_win.cc",
+    "named_platform_handle.h",
+    "named_platform_handle_utils.h",
+    "named_platform_handle_utils_win.cc",
     "platform_channel_pair.cc",
     "platform_channel_pair.h",
     "platform_channel_pair_posix.cc",
     "platform_channel_pair_win.cc",
     "platform_channel_utils_posix.cc",
     "platform_channel_utils_posix.h",
     "platform_handle.cc",
     "platform_handle.h",
     "platform_handle_utils.h",
     "platform_handle_utils_posix.cc",
     "platform_handle_utils_win.cc",
     "platform_handle_vector.h",
     "platform_shared_buffer.cc",
     "platform_shared_buffer.h",
     "scoped_platform_handle.h",
   ]
+  if (!is_nacl) {
+    sources += [ "named_platform_handle_utils_posix.cc" ]
+  }
 
   defines = [ "MOJO_SYSTEM_IMPL_IMPLEMENTATION" ]
 
   public_deps = [
     "//mojo/public/cpp/system",
   ]
 
   deps = [
     "//base",
   ]
+  if (is_posix && !is_nacl) {
+    deps += [ "//ipc" ]

[Ken Rockot(use gerrit already), 2016/08/30 16:58:31]

I'd sooner duplicate the code or try to move it into base before adding an EDK
dependency on //ipc. Can we please try to avoid this?

[Sam McNally, 2016/08/31 00:00:13]

Done.

+  }
 
   if (is_android) {
     deps += [ "//third_party/ashmem" ]
   }
 
   if (is_nacl && !is_nacl_nonsfi) {
     sources -= [ "platform_channel_utils_posix.cc" ]
   }
 }
 
@@ skipping 30 matching lines @@
 
   deps = [
     "//base",
     "//base/test:test_support",
     "//mojo/edk/system",
     "//mojo/edk/system:test_utils",
     "//mojo/edk/test:test_support",
     "//testing/gtest",
   ]
 }