mash: Merge ChromeLauncherController and *Impl subclass.

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 961fd6b82427f0841239f2cd96f0704daa42c854..31d4c782171beab8f7b62a55060f45514ca4773e 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -1938,7 +1938,7 @@ test("browser_tests") {
         "../browser/ui/ash/chrome_new_window_client_browsertest.cc",
         "../browser/ui/ash/keyboard_controller_browsertest.cc",
         "../browser/ui/ash/keyboard_end_to_end_browsertest.cc",
-        "../browser/ui/ash/launcher/chrome_launcher_controller_impl_browsertest.cc",
+        "../browser/ui/ash/launcher/chrome_launcher_controller_browsertest.cc",
         "../browser/ui/ash/launcher/launcher_favicon_loader_browsertest.cc",
         "../browser/ui/ash/multi_user/multi_user_window_manager_test.cc",
         "../browser/ui/ash/multi_user/multi_user_window_manager_test.h",
@@ -4039,7 +4039,7 @@ test("unit_tests") {
       "../browser/ui/ash/accessibility/ax_tree_source_aura_unittest.cc",
       "../browser/ui/ash/chrome_screenshot_grabber_unittest.cc",
       "../browser/ui/ash/launcher/arc_app_shelf_id_unittest.cc",
-      "../browser/ui/ash/launcher/chrome_launcher_controller_impl_unittest.cc",
+      "../browser/ui/ash/launcher/chrome_launcher_controller_unittest.cc",
       "../browser/ui/ash/launcher/launcher_context_menu_unittest.cc",
       "../browser/ui/ash/multi_user/multi_user_context_menu_chromeos_unittest.cc",
       "../browser/ui/ash/multi_user/multi_user_notification_blocker_chromeos_unittest.cc",