Disable flaky test: ProfileManagerBrowserTest.EphemeralProfile

This is a re-commit of https://codereview.chromium.org/58183006 with a syntax
error fixed.

BUG=314905
R=pastarmovj@chromium.org
TBR=pastarmovj@chromium.org

Review URL: https://codereview.chromium.org/46893006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232873 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/profiles/profile_manager_browsertest.cc

@@ -254,7 +254,13 @@ IN_PROC_BROWSER_TEST_F(ProfileManagerBrowserTest,
   EXPECT_EQ(path_profile2, browser_list->get(1)->profile()->GetPath());
 }
 
-IN_PROC_BROWSER_TEST_F(ProfileManagerBrowserTest, EphemeralProfile) {
+#if defined(OS_WIN)
+// Flakily times out on Windows: http://crbug.com/314905
+#define MAYBE_EphemeralProfile DISABLED_EphemeralProfile
+#else
+#define MAYBE_EphemeralProfile EphemeralProfile
+#endif  // defined(OS_WIN)
+IN_PROC_BROWSER_TEST_F(ProfileManagerBrowserTest, MAYBE_EphemeralProfile) {
 #if defined(OS_WIN) && defined(USE_ASH)
   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))