mojom GNI: Implicit variant inheritance for deps

mojo/public/tools/bindings/mojom.gni

Index: mojo/public/tools/bindings/mojom.gni
diff --git a/mojo/public/tools/bindings/mojom.gni b/mojo/public/tools/bindings/mojom.gni
index ed2fb461353c64fe5b4c991da2988288564d203f..be36cb49d6200e1ea6742b1bceeb4a5bcbd6aba6 100644
--- a/mojo/public/tools/bindings/mojom.gni
+++ b/mojo/public/tools/bindings/mojom.gni
@@ -402,10 +402,16 @@ template("mojom") {
         "//mojo/public/cpp/bindings",
       ]
       if (defined(invoker.deps)) {
-        public_deps += invoker.deps
+        foreach(dep, invoker.deps) {
+          public_deps +=
+              [ get_label_info(dep, "label_no_toolchain") + variant_suffix ]
+        }
       }
       if (defined(invoker.public_deps)) {
-        public_deps += invoker.public_deps
+        foreach(dep, invoker.public_deps) {
+          public_deps +=
+              [ get_label_info(dep, "label_no_toolchain") + variant_suffix ]
+        }
       }
 
       deps = []