Update mojo sdk to rev cb6c5abfadfea0ca73dca466e2894554ac1ae144

third_party/mojo/src/mojo/public/tools/bindings/mojom.gni

Index: third_party/mojo/src/mojo/public/tools/bindings/mojom.gni
diff --git a/third_party/mojo/src/mojo/public/tools/bindings/mojom.gni b/third_party/mojo/src/mojo/public/tools/bindings/mojom.gni
index 5cfd5cd7cbb28d7451b8120b5860ec0a80d86899..dd68501d8601f2aeb78979ec13438b694e2388a0 100644
--- a/third_party/mojo/src/mojo/public/tools/bindings/mojom.gni
+++ b/third_party/mojo/src/mojo/public/tools/bindings/mojom.gni
@@ -334,7 +334,14 @@ template("mojom") {
       output,
     ]
 
-    rebase_base_dir = rebase_path("$root_build_dir/gen/", root_build_dir)
+    invoker_base_dir = ""
+    if (defined(invoker.base_dir)) {
+      invoker_base_dir =
+          rebase_path(invoker.base_dir, "$root_build_dir/../../", ".")
+    }
+
+    rebase_base_dir =
+        rebase_path("$root_build_dir/gen/$invoker_base_dir", root_build_dir)
     if (defined(invoker.sources)) {
       rebase_inputs = rebase_path(inputs, root_build_dir)
     }