Unit-testing AnswerCardSearchProvider.

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 5d248404dede2bdf7ac485796ac967293b7c975a..aee31513e573bec2f8d1ee20834159569ae4ab32 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -4972,6 +4972,7 @@ test("unit_tests") {
       "../browser/ui/app_list/extension_app_model_builder_unittest.cc",
       "../browser/ui/app_list/profile_loader_unittest.cc",
       "../browser/ui/app_list/search/answer_card/answer_card_result_unittest.cc",
+      "../browser/ui/app_list/search/answer_card/answer_card_search_provider_unittest.cc",
       "../browser/ui/app_list/search/app_search_provider_unittest.cc",
       "../browser/ui/app_list/search/history_unittest.cc",
       "../browser/ui/app_list/search/launcher_search/launcher_search_icon_image_loader_unittest.cc",
@@ -4986,6 +4987,7 @@ test("unit_tests") {
     ]
     deps += [
       "//components/arc:arc_test_support",
+      "//content/test:test_support",
       "//ui/app_list:test_support",
     ]
   }