Add enterprise policy to turn off Bluetooth.

content/public/browser/permission_type.h

Index: content/public/browser/permission_type.h
diff --git a/content/public/browser/permission_type.h b/content/public/browser/permission_type.h
index d2f7b6d85a131c59930dc8a28886efe2d668bc26..64e5d8117c0e32d77e9b07e88ac6c83338855b6d 100644
--- a/content/public/browser/permission_type.h
+++ b/content/public/browser/permission_type.h
@@ -9,7 +9,8 @@ namespace content {
 
 // This enum is also used for UMA purposes, so it needs to adhere to
 // the UMA guidelines.
-// Make sure you update histograms.xml if you add new permission types.
+// Make sure you update the PermissionTypes histogram suffix in histograms.xml
+// if you add new permission types.
 // Never delete or reorder an entry; only add new entries
 // immediately before PermissionType::NUM
 enum class PermissionType {
@@ -22,6 +23,7 @@ enum class PermissionType {
   DURABLE_STORAGE = 7,
   AUDIO_CAPTURE = 8,
   VIDEO_CAPTURE = 9,
+  BLUETOOTH_GUARD = 10,
 
   // Always keep this at the end.
   NUM,