Support creating mojo peer connections from named pipes.

mojo/edk/embedder/BUILD.gn

Index: mojo/edk/embedder/BUILD.gn
diff --git a/mojo/edk/embedder/BUILD.gn b/mojo/edk/embedder/BUILD.gn
index f20fd40230d4b4270364fedf44c28bf55d33f1e4..e4f7291babfc610e58783aa5d3a06788f17694f1 100644
--- a/mojo/edk/embedder/BUILD.gn
+++ b/mojo/edk/embedder/BUILD.gn
@@ -10,6 +10,8 @@ source_set("headers") {
     "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",
@@ -77,6 +79,9 @@ source_set("platform") {
   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",
@@ -93,6 +98,9 @@ source_set("platform") {
     "platform_shared_buffer.h",
     "scoped_platform_handle.h",
   ]
+  if (!is_nacl) {
+    sources += [ "named_platform_handle_utils_posix.cc" ]
+  }
 
   defines = [ "MOJO_SYSTEM_IMPL_IMPLEMENTATION" ]
 
@@ -103,6 +111,9 @@ source_set("platform") {
   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" ]