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

mojo/runner/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("//mojo/generate_mojo_shell_assets_list.gni")
 import("//mojo/public/mojo_application.gni")
 import("//testing/test.gni")
 import("//third_party/mojo/src/mojo/public/tools/bindings/mojom.gni")
 
 # We don't support building in the component build since mojo apps are
@@ skipping 112 matching lines @@
     "//components/devtools_service/public/interfaces",
     "//mojo/application/public/cpp",
     "//mojo/common:tracing_impl",
     "//mojo/message_pump",
     "//mojo/package_manager",
     "//mojo/services/network/public/interfaces",
     "//mojo/services/tracing/public/cpp",
     "//mojo/services/tracing/public/interfaces",
     "//mojo/shell",
     "//mojo/util:filename_util",
-    "//third_party/mojo/src/mojo/edk/system",
     "//ui/gl",
     "//url",
   ]
 
+  if (use_chrome_edk) {
+    deps += [ "//mojo/edk/system" ]
+  } else {
+    deps += [ "//third_party/mojo/src/mojo/edk/system" ]
+  }
+
   if (is_linux && !is_android) {
     sources += [
       "linux_sandbox.cc",
       "linux_sandbox.h",
     ]
 
     deps += [
       "//sandbox/linux:sandbox",
       "//sandbox/linux:sandbox_services",
     ]
@@ skipping 292 matching lines @@
     "//mojo/application/public/cpp",
     "//mojo/common",
     "//mojo/environment:chromium",
     "//mojo/fetcher",
     "//mojo/message_pump",
     "//mojo/package_manager",
     "//mojo/services/test_service:bindings",
     "//mojo/shell",
     "//mojo/util:filename_util",
     "//testing/gtest",
-    "//third_party/mojo/src/mojo/edk/system",
     "//third_party/mojo/src/mojo/public/cpp/bindings",
     "//url",
   ]
 
+  if (use_chrome_edk) {
+    deps += [ "//mojo/edk/system" ]
+  } else {
+    deps += [ "//third_party/mojo/src/mojo/edk/system" ]
+  }
+
   data_deps = [
     "//mojo/services/test_service:test_app",
     "//mojo/services/test_service:test_request_tracker_app",
   ]
 
   if (is_android) {
     sources += [ "android/background_application_loader_unittest.cc" ]
 
     deps += [ ":jni_headers" ]
 
@@ skipping 17 matching lines @@
   ]
 
   deps = [
     "//base",
     "//mojo/application/public/cpp:test_support",
     "//mojo/runner/test:bindings",
     "//mojo/services/network/public/interfaces",
     "//third_party/mojo/src/mojo/public/cpp/bindings:callback",
   ]
 }