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

net/BUILD.gn

 # Copyright (c) 2013 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("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
 import("//testing/test.gni")
@@ skipping 1517 matching lines @@
       "proxy/proxy_resolver_v8_tracing_wrapper_unittest.cc",
       "proxy/proxy_resolver_v8_unittest.cc",
     ]
   }
 
   if (use_v8_in_net && !is_android) {
     deps += [
       ":net_browser_services",
       ":net_utility_services",
       "//mojo/environment:chromium",
-      "//third_party/mojo/src/mojo/edk/system",
     ]
+
+    if (use_chrome_edk) {
+      deps += [ "//mojo/edk/system" ]
+    } else {
+      deps += [ "//third_party/mojo/src/mojo/edk/system" ]
+    }
   } else {
     sources -= [
       "dns/host_resolver_mojo_unittest.cc",
       "dns/mojo_host_resolver_impl_unittest.cc",
       "proxy/mojo_proxy_resolver_factory_impl_unittest.cc",
       "proxy/mojo_proxy_resolver_impl_unittest.cc",
       "proxy/mojo_proxy_resolver_v8_tracing_bindings_unittest.cc",
       "proxy/proxy_resolver_factory_mojo_unittest.cc",
       "proxy/proxy_service_mojo_unittest.cc",
     ]
@@ skipping 119 matching lines @@
   if (enable_websockets) {
     sources += [ "websockets/websocket_frame_perftest.cc" ]
   }
 
   if (use_v8_in_net) {
     deps += [ ":net_with_v8" ]
   } else {
     sources -= [ "proxy/proxy_resolver_perftest.cc" ]
   }
 }