Prepare for building with enable_app_list=0 on Desktop

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 7266e2698174996ae66d49ec155a2619303dabcb..93046f8cfb3504ed33f21eedcace6723013853ca 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -661,7 +661,6 @@ if (!is_android) {
       "//sync",
       "//sync:test_support_sync_fake_server",
       "//sync:test_support_sync_testserver",
-      "//ui/app_list:test_support",
     ]
 
     if (is_mac) {
@@ -672,7 +671,9 @@ if (!is_android) {
         "../browser/sync/test/integration/dictionary_load_observer.h",
       ]
     }
-    if (!enable_app_list) {
+    if (enable_app_list) {
+      deps += [ "//ui/app_list:test_support" ]
+    } else {
       sources -= [
         "../browser/sync/test/integration/sync_app_list_helper.cc",
         "../browser/sync/test/integration/sync_app_list_helper.h",
@@ -1316,6 +1317,12 @@ if (!is_android) {
               chrome_tests_gypi_values.chrome_browser_tests_app_list_sources,
               ".",
               "//chrome")
+      if (is_mac) {
+        # This assumes the AppList is views-based, but Mac only links
+        # browser parts for the Cocoa implementation.
+        sources -=
+            [ "../browser/ui/app_list/app_list_service_views_browsertest.cc" ]
+      }
     }
     if (enable_service_discovery) {
       sources += rebase_path(
@@ -2206,6 +2213,8 @@ test("unit_tests") {
             chrome_tests_unit_gypi_values.chrome_unit_tests_app_list_chromeos_sources,
             ".",
             "//chrome")
+    sources -=
+        [ "../browser/ui/views/app_list/linux/app_list_linux_unittest.cc" ]
     deps += [ "//components/arc:arc_test_support" ]
   }
   if (enable_plugins && !enable_plugin_installation) {