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

device/vibration/BUILD.gn

Index: device/vibration/BUILD.gn
diff --git a/device/vibration/BUILD.gn b/device/vibration/BUILD.gn
index ed046c24a2f3546d2144621821753b6cee5e86b0..2839f44318395ca2c7c9f4cab64f385da8f96985 100644
--- a/device/vibration/BUILD.gn
+++ b/device/vibration/BUILD.gn
@@ -22,9 +22,14 @@ component("vibration") {
     "//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_android) {
     sources -= [ "vibration_manager_impl_default.cc" ]
   }