Implement AssetLinkRetriever for Asset Links in Chrome.

components/password_manager/core/browser/BUILD.gn

Index: components/password_manager/core/browser/BUILD.gn
diff --git a/components/password_manager/core/browser/BUILD.gn b/components/password_manager/core/browser/BUILD.gn
index 30a155503dfa96269fa184d51860a72d50b886d0..7e3f21bbad9e8d5c5ced31e7bad904365a75d90e 100644
--- a/components/password_manager/core/browser/BUILD.gn
+++ b/components/password_manager/core/browser/BUILD.gn
@@ -118,6 +118,8 @@ static_library("browser") {
     "password_ui_utils.h",
     "psl_matching_helper.cc",
     "psl_matching_helper.h",
+    "site_affiliation/asset_link_retriever.cc",
+    "site_affiliation/asset_link_retriever.h",
     "sql_table_builder.cc",
     "sql_table_builder.h",
     "statistics_table.cc",
@@ -316,6 +318,7 @@ source_set("unit_tests") {
     "password_syncable_service_unittest.cc",
     "password_ui_utils_unittest.cc",
     "psl_matching_helper_unittest.cc",
+    "site_affiliation/asset_link_retriever_unittest.cc",
     "sql_table_builder_unittest.cc",
     "statistics_table_unittest.cc",
     "suppressed_form_fetcher_unittest.cc",