[sensors] Add Permission guard to the generic sensor apis.

content/shell/browser/layout_test/layout_test_message_filter.cc

Index: content/shell/browser/layout_test/layout_test_message_filter.cc
diff --git a/content/shell/browser/layout_test/layout_test_message_filter.cc b/content/shell/browser/layout_test/layout_test_message_filter.cc
index fe7ddf46c0a5a2d96031b50ca07c29f723c96f02..eb835e0ded606aa24e95973875debbfcf21ae0c2 100644
--- a/content/shell/browser/layout_test/layout_test_message_filter.cc
+++ b/content/shell/browser/layout_test/layout_test_message_filter.cc
@@ -171,6 +171,8 @@ void LayoutTestMessageFilter::OnSetPermission(
     type = PermissionType::PROTECTED_MEDIA_IDENTIFIER;
   } else if (name == "background-sync") {
     type = PermissionType::BACKGROUND_SYNC;
+  } else if (name == "sensors") {
+    type = PermissionType::SENSORS;
   } else {
     NOTREACHED();
     type = PermissionType::NOTIFICATIONS;