Disable flaky ProfileMenuViewSignoutTest.SignoutFromNTP.

The test case is flaky, at least on Linux.

Bug: 1116606
Change-Id: If4c477e9bd2eafd0fb07b9d60ec74aa8b9f489f2
Tbr: droger@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2357614Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798348}

chrome/browser/ui/views/profiles/profile_menu_view_browsertest.cc

@@ -324,7 +324,13 @@ IN_PROC_BROWSER_TEST_F(ProfileMenuViewSignoutTest, OpenLogoutTab) {
 
 // Checks that the NTP is navigated to the logout URL, instead of creating
 // another tab.
-IN_PROC_BROWSER_TEST_F(ProfileMenuViewSignoutTest, SignoutFromNTP) {
+// Flaky on Linux, at least. crbug.com/1116606
+#if defined(OS_LINUX)
+#define MAYBE_SignoutFromNTP DISABLED_SignoutFromNTP
+#else
+#define MAYBE_SignoutFromNTP SignoutFromNTP
+#endif
+IN_PROC_BROWSER_TEST_F(ProfileMenuViewSignoutTest, MAYBE_SignoutFromNTP) {
   // Start from the NTP.
   ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUINewTabURL));
   TabStripModel* tab_strip = browser()->tab_strip_model();