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

device/battery/BUILD.gn

Index: device/battery/BUILD.gn
diff --git a/device/battery/BUILD.gn b/device/battery/BUILD.gn
index 6eab81342c5bb1fe619d4b874627140ad3bdac55..7c401e756bd8a3ba7c84ac3b7557ab4d75d82916 100644
--- a/device/battery/BUILD.gn
+++ b/device/battery/BUILD.gn
@@ -33,9 +33,14 @@ if (!is_android) {
       "//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 += [