OK, here's john's patch plus my sync stuff.

chrome/browser/ui/browser_navigator_browsertest.cc

Index: chrome/browser/ui/browser_navigator_browsertest.cc
diff --git a/chrome/browser/ui/browser_navigator_browsertest.cc b/chrome/browser/ui/browser_navigator_browsertest.cc
index 1fd1cda732fcb9e1abb358bed61b3b3dc782d16f..a061a20ec182d0a2a924f8a3eb4dd276b7345cbb 100644
--- a/chrome/browser/ui/browser_navigator_browsertest.cc
+++ b/chrome/browser/ui/browser_navigator_browsertest.cc
@@ -1194,8 +1194,14 @@ IN_PROC_BROWSER_TEST_F(BrowserNavigatorTest,
             browser()->tab_strip_model()->GetActiveWebContents()->GetURL());
 }
 
+// TODO(linux_aura) http://crbug.com/163931
+#if defined(OS_LINUX) && !defined(OS_CHROMEOS) && defined(USE_AURA)
+#define MAYBE_NavigateFromDefaultToBookmarksInSameTab DISABLED_NavigateFromDefaultToBookmarksInSameTab
+#else
+#define MAYBE_NavigateFromDefaultToBookmarksInSameTab NavigateFromDefaultToBookmarksInSameTab
+#endif
 IN_PROC_BROWSER_TEST_F(BrowserNavigatorTest,
-                       NavigateFromDefaultToBookmarksInSameTab) {
+                       MAYBE_NavigateFromDefaultToBookmarksInSameTab) {
   {
     content::WindowedNotificationObserver observer(
         content::NOTIFICATION_LOAD_STOP,