Run the "Relaunch Chrome" dialog test everywhere.

chrome/browser/ui/update_chrome_dialog_browsertest.cc

 // Copyright 2017 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 "base/command_line.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/test/test_browser_dialog.h"
 #include "ui/base/ui_base_switches.h"
 
 class UpdateRecommendedDialogTest : public DialogBrowserTest {
  public:
   UpdateRecommendedDialogTest() {}
 
   // DialogBrowserTest:
   void ShowDialog(const std::string& name) override {
     InProcessBrowserTest::browser()->window()->ShowUpdateChromeDialog();
   }
 
   // content::BrowserTestBase:
   void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kExtendMdToSecondaryUi);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(UpdateRecommendedDialogTest);
 };
 
-#if !defined(OS_MACOSX)
-// Initially disabled except on Mac due to http://crbug.com/683808.
-#define MAYBE_InvokeDialog_default DISABLED_InvokeDialog_default
-#else
-#define MAYBE_InvokeDialog_default InvokeDialog_default
-#endif
-
 // Test that calls ShowDialog("default"). Interactive when run via
 // browser_tests --gtest_filter=BrowserDialogTest.Invoke --interactive
 // --dialog=UpdateRecommendedDialogTest.InvokeDialog_default
-IN_PROC_BROWSER_TEST_F(UpdateRecommendedDialogTest,
-                       MAYBE_InvokeDialog_default) {
+IN_PROC_BROWSER_TEST_F(UpdateRecommendedDialogTest, InvokeDialog_default) {
   RunDialog();
 }