bluetooth: Use BluetoothUUID instead of string when sending uuids

device/bluetooth/mojo/BUILD.gn

Index: device/bluetooth/mojo/BUILD.gn
diff --git a/mash/login/public/interfaces/BUILD.gn b/device/bluetooth/mojo/BUILD.gn
similarity index 76%
copy from mash/login/public/interfaces/BUILD.gn
copy to device/bluetooth/mojo/BUILD.gn
index 0ea747bed9d6fc0885a76c7384146db4f70fe0a2..aba3e2ea1e0826e006609e3588761d5ae234c2f0 100644
--- a/mash/login/public/interfaces/BUILD.gn
+++ b/device/bluetooth/mojo/BUILD.gn
@@ -4,8 +4,8 @@
 
 import("//mojo/public/tools/bindings/mojom.gni")

[Ken Rockot(use gerrit already), 2016/05/26 21:05:07]

Please put this stuff in device/bluetooth/public/interfaces - I realize that
pattern is not currently followed by other mojom stuff in top-level directories
like ui or url, but it ultimately should be (imho). I would start treating
anything in //device as if it should be in //components.

[ortuno, 2016/05/27 14:38:35]

Done.

 
-mojom("interfaces") {
+mojom("bluetooth_mojom_bluetooth_uuid") {
   sources = [
-    "login.mojom",
+    "bluetooth_uuid.mojom",
   ]
 }