[GN] Fix missing public dependency.

components/autofill/core/browser/BUILD.gn

Index: components/autofill/core/browser/BUILD.gn
diff --git a/components/autofill/core/browser/BUILD.gn b/components/autofill/core/browser/BUILD.gn
index 74d6402379bcbfefcc1a97196da5275cd0b5b7f3..f0e080e174f1fc0026521c02550a6ee3e2532add 100644
--- a/components/autofill/core/browser/BUILD.gn
+++ b/components/autofill/core/browser/BUILD.gn
@@ -167,7 +167,6 @@ source_set("browser") {
   deps = [
     "//base",
     "//base:i18n",
-    "//components/autofill/core/browser/proto",
     "//components/autofill/core/common",
     "//components/data_use_measurement/core",
     "//components/infobars/core",
@@ -199,6 +198,10 @@ source_set("browser") {
     "//url",
   ]
 
+  public_deps = [
+    "//components/autofill/core/browser/proto",
+  ]
+
   configs += [
     ":wallet_service",
     "//build/config/compiler:no_size_t_to_int_warning",
@@ -235,7 +238,6 @@ source_set("test_support") {
     "//base",
     "//base/test:test_support",
     "//components/autofill/core/browser",
-    "//components/autofill/core/browser/proto",
     "//components/autofill/core/common",
     "//components/os_crypt",
     "//components/pref_registry",