Purge the App Launcher code from Mac

chrome/browser/ui/app_list/app_list_controller_browsertest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
@@ skipping 107 matching lines @@
 
   app_list::SearchResult* observed_result_;
 
  private:
   base::string16 item_to_observe_;
   app_list::AppListModel::SearchResults* observed_results_list_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListControllerSearchResultsBrowserTest);
 };
 
-
-// Flaky on Mac. https://crbug.com/415264
-#if defined(OS_MACOSX)
-#define MAYBE_UninstallSearchResult DISABLED_UninstallSearchResult
-#else
-#define MAYBE_UninstallSearchResult UninstallSearchResult
-#endif
 // Test showing search results, and uninstalling one of them while displayed.
 IN_PROC_BROWSER_TEST_F(AppListControllerSearchResultsBrowserTest,
-                       MAYBE_UninstallSearchResult) {
+                       UninstallSearchResult) {
   base::FilePath test_extension_path;
   ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_extension_path));
   test_extension_path = test_extension_path.AppendASCII("extensions")
       .AppendASCII("platform_apps")
       .AppendASCII("minimal");
   const extensions::Extension* extension =
       InstallExtension(test_extension_path,
                        1 /* expected_change: new install */);
   ASSERT_TRUE(extension);
 
@@ skipping 50 matching lines @@
 // Test creating the initial app list in guest mode.
 IN_PROC_BROWSER_TEST_F(AppListControllerGuestModeBrowserTest, Incognito) {
   AppListService* service = AppListService::Get();
   EXPECT_TRUE(service->GetCurrentAppListProfile());
 
   service->ShowForProfile(browser()->profile());
   EXPECT_EQ(browser()->profile(), service->GetCurrentAppListProfile());
 }
 
 #endif  // defined(OS_CHROMEOS)