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

extensions/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.
 
 # TODO(rockot) bug 505926: Don't include chrome files from here.
 # See chrome_browser_tests_extensions_sources below
 import("//chrome/chrome_tests.gni")
 import("//extensions/extensions.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
@@ skipping 178 matching lines @@
     "//extensions/common",
     "//extensions/common/api/cast_channel:cast_channel_proto",
     "//extensions/renderer",
     "//extensions/strings",
     "//extensions/utility",
     "//mojo/application/public/interfaces",
     "//mojo/environment:chromium",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/leveldatabase",
-    "//third_party/mojo/src/mojo/edk/js",
-    "//third_party/mojo/src/mojo/edk/system",
     "//third_party/mojo/src/mojo/public/cpp/bindings",
   ]
 
+  if (use_chrome_edk) {
+    deps += [
+      "//mojo/edk/js",
+      "//mojo/edk/system",
+    ]
+  } else {
+    deps += [
+      "//third_party/mojo/src/mojo/edk/js",
+      "//third_party/mojo/src/mojo/edk/system",
+    ]
+  }
+
   data_deps = [ "//third_party/mesa:osmesa" ]
 
   if (is_win) {
     deps += [ "//base/allocator" ]
   }
 
   if (is_chromeos) {
     sources += [
       # TODO(rockot): There are two implementations of VpnServiceFactory, a
       # stub in app_shell and a real one in Chrome. This is wrong.
@@ skipping 39 matching lines @@
     "//base",
     "//base:prefs_test_support",
     "//base/test:test_support",
     "//components/storage_monitor:test_support",
     "//content/test:test_support",
     "//device/bluetooth:mocks",
     "//device/usb:mocks",
     "//mojo/environment:chromium",
     "//testing/gmock",
     "//testing/gtest",
-    "//third_party/mojo/src/mojo/edk/js",
-    "//third_party/mojo/src/mojo/edk/system",
     "//third_party/mojo/src/mojo/public/cpp/bindings",
   ]
 
+  if (use_chrome_edk) {
+    deps += [
+      "//mojo/edk/js",
+      "//mojo/edk/system",
+    ]
+  } else {
+    deps += [
+      "//third_party/mojo/src/mojo/edk/js",
+      "//third_party/mojo/src/mojo/edk/system",
+    ]
+  }
+
   data_deps = [ "//third_party/mesa:osmesa" ]
 
   if (is_win) {
     deps += [ "//base/allocator" ]
 
     if (target_cpu == "x86") {
       data_deps += [
         # "$root_out_dir/wow_helper.exe"  # TODO(GYP)
       ]
     }
@@ skipping 108 matching lines @@
     "//testing/gtest",
     "//third_party/hunspell",
     "//third_party/icu",
     "//third_party/libpng",
     "//third_party/zlib",
     "//ui/base:test_support",
     "//ui/resources:ui_test_pak",
     "//ui/web_dialogs:test_support",
   ]
 }