Re-enable tabs_interactive_uitest for linux_aura

chrome/test/base/interactive_test_utils.h

Index: chrome/test/base/interactive_test_utils.h
diff --git a/chrome/test/base/interactive_test_utils.h b/chrome/test/base/interactive_test_utils.h
index f0ccc770f2a8cfae8ca6437cdfc83364527badf7..c52843379f75ea0682b02af2d7016c4a82fe9de9 100644
--- a/chrome/test/base/interactive_test_utils.h
+++ b/chrome/test/base/interactive_test_utils.h
@@ -21,8 +21,8 @@ class View;
 
 namespace ui_test_utils {
 
-// Brings the native window for |browser| to the foreground. Returns true on
-// success.
+// Brings the native window for |browser| to the foreground and waits until the
+// browser is active.
 bool BringBrowserWindowToFront(const Browser* browser) WARN_UNUSED_RESULT;
 
 // Returns true if the View is focused.