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

device/battery/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("//build/config/features.gni")
 import("//third_party/mojo/src/mojo/public/tools/bindings/mojom.gni")
 
 # On android, BatteryManager mojo service is implemented directly in Java.
 if (!is_android) {
   component("battery") {
@@ skipping 15 matching lines @@
     ]
 
     defines = [ "DEVICE_BATTERY_IMPLEMENTATION" ]
 
     deps = [
       ":mojo_bindings",
       "//base",
       "//base/third_party/dynamic_annotations",
       "//mojo/environment:chromium",
       "//third_party/mojo/src/mojo/public/cpp/bindings",
-      "//third_party/mojo/src/mojo/edk/system",
     ]
 
+    if (use_chrome_edk) {
+      deps += [ "//mojo/edk/system" ]
+    } else {
+      deps += [ "//third_party/mojo/src/mojo/edk/system" ]
+    }
+
     if (is_chromeos) {
       configs += [ "//build/config/linux:dbus" ]
       deps += [
         "//chromeos:chromeos",
         "//chromeos:power_manager_proto",
       ]
       sources -= [
         "battery_status_manager_default.cc",
         "battery_status_manager_linux.cc",
       ]
@@ skipping 18 matching lines @@
     }
   }
 }
 
 mojom("mojo_bindings") {
   sources = [
     "battery_monitor.mojom",
     "battery_status.mojom",
   ]
 }