bluetooth: Use WebBluetoothDeviceId instead of string

content/common/bluetooth/BUILD.gn

Index: content/common/bluetooth/BUILD.gn
diff --git a/mash/init/public/interfaces/BUILD.gn b/content/common/bluetooth/BUILD.gn
similarity index 74%
copy from mash/init/public/interfaces/BUILD.gn
copy to content/common/bluetooth/BUILD.gn
index 0fde6198252e01ba277351ea5d5278ce1e8f74e9..a81b089d99becf4cb19d04905b2faaed9eea4ab5 100644
--- a/mash/init/public/interfaces/BUILD.gn
+++ b/content/common/bluetooth/BUILD.gn
@@ -4,8 +4,8 @@
 
 import("//mojo/public/tools/bindings/mojom.gni")
 
-mojom("interfaces") {
+mojom("content_mojom_bluetooth_device_id") {
   sources = [
-    "init.mojom",
+    "bluetooth_device_id.mojom",
   ]
 }