Re-enable BrowserCloseManagerBrowserTest.TestCloseTabDuringShutdown.

chrome/browser/lifetime/browser_close_manager_browsertest.cc

Index: chrome/browser/lifetime/browser_close_manager_browsertest.cc
diff --git a/chrome/browser/lifetime/browser_close_manager_browsertest.cc b/chrome/browser/lifetime/browser_close_manager_browsertest.cc
index 9500cc25c466aee834c260b7c02b88705ff393b7..121465666ff495d4c7074e75c38cc77f53d42843 100644
--- a/chrome/browser/lifetime/browser_close_manager_browsertest.cc
+++ b/chrome/browser/lifetime/browser_close_manager_browsertest.cc
@@ -847,14 +847,8 @@ IN_PROC_BROWSER_TEST_P(BrowserCloseManagerBrowserTest,
             browser2->tab_strip_model()->GetWebContentsAt(1)->GetURL());
 }
 
-// Flaky on Linux. http://crbug.com/700641.
-#if defined(OS_LINUX)
-#define MAYBE_TestCloseTabDuringShutdown DISABLED_TestCloseTabDuringShutdown
-#else
-#define MAYBE_TestCloseTabDuringShutdown TestCloseTabDuringShutdown
-#endif
 IN_PROC_BROWSER_TEST_P(BrowserCloseManagerBrowserTest,
-                       MAYBE_TestCloseTabDuringShutdown) {
+                       TestCloseTabDuringShutdown) {
   ASSERT_TRUE(embedded_test_server()->Start());
   ASSERT_NO_FATAL_FAILURE(ui_test_utils::NavigateToURL(
       browsers_[0], embedded_test_server()->GetURL("/beforeunload.html")));