Launch nexes from mojo_shell.

mojo/nacl/BUILD.gn

Index: mojo/nacl/BUILD.gn
diff --git a/mojo/nacl/BUILD.gn b/mojo/nacl/BUILD.gn
index 4315245a7385f9bfd3082ed814fb4d125cc05205..fc0989f685e64ac5039c59f9d3c6d62bc14cda7c 100644
--- a/mojo/nacl/BUILD.gn
+++ b/mojo/nacl/BUILD.gn
@@ -66,6 +66,7 @@ if (is_nacl) {
       "$gen_dir/libmojo.cc",
     ]
     deps = [
+      "//native_client/src/untrusted/nacl:imc_syscalls",
       ":mojo_nacl_codegen($default_toolchain)",
     ]
   }
@@ -78,7 +79,6 @@ if (is_nacl) {
       "//mojo/public/cpp/system/tests/macros_unittest.cc",
     ]
     deps = [
-      "//native_client/src/untrusted/nacl:imc_syscalls",
       "//mojo/public/c/system/tests:tests",
       "//mojo/public/cpp/system:system",
       "//testing/gtest:gtest",
@@ -86,6 +86,22 @@ if (is_nacl) {
       ":mojo",
     ]
   }
+
+  # TODO(ncbray): port this gn file to use mojo_sdk.gni.
+  # TODO(ncbray): fold NaCl build into boilerplate for building Mojo apps.
+  executable("wget") {
+    deps = [
+      "//mojo/public/cpp/application:standalone",
+      "//mojo/public/cpp/bindings",
+      "//mojo/public/cpp/utility",
+      "//mojo/public/platform/nacl:system",
+      "//mojo/services/network/public/interfaces",
+    ]
+
+    sources = [
+      "//examples/wget/wget.cc",
+    ]
+  }
 }
 
 group("mojo_nacl") {
@@ -99,5 +115,6 @@ group("mojo_nacl_tests") {
   deps = [
     ":monacl_shell",
     ":monacl_test(//native_client/build/toolchain/nacl:clang_newlib_${cpu_arch})",
+    ":wget(//native_client/build/toolchain/nacl:clang_newlib_${cpu_arch})",
   ]
 }