Add a Mojo EDK for Chrome that uses one OS pipe per message pipe.

mojo/shell/BUILD.gn

Index: mojo/shell/BUILD.gn
diff --git a/mojo/shell/BUILD.gn b/mojo/shell/BUILD.gn
index 9a1fe459c11744811bdd5a67b21da42034f0156b..5ef31ec873266ef2171ac6a25d4033418d0aa821 100644
--- a/mojo/shell/BUILD.gn
+++ b/mojo/shell/BUILD.gn
@@ -49,9 +49,9 @@ source_set("shell") {
     "//crypto:crypto",
     "//mojo/application/public/cpp:sources",
     "//url",
-    "//third_party/mojo/src/mojo/edk/system",
     "//mojo/environment:chromium",
     "//mojo/util:filename_util",
+    "//third_party/mojo/src/mojo/edk/system",
   ]
 }
 
@@ -86,8 +86,8 @@ test("mojo_shell_unittests") {
     ":test_support",
     "//base",
     "//mojo/application/public/cpp",
-    "//third_party/mojo/src/mojo/edk/test:run_all_unittests",
     "//testing/gtest",
+    "//third_party/mojo/src/mojo/edk/test:run_all_unittests",
     "//url",
   ]
 }