mac: Flush the autorelease pool after making a browser window in browser tests.

chrome/test/base/ui_test_utils.h

Index: chrome/test/base/ui_test_utils.h
diff --git a/chrome/test/base/ui_test_utils.h b/chrome/test/base/ui_test_utils.h
index 632b86185f361090066c54d0566315da605a3cb6..e5a359a10c8760192178ea1939d9200e65302350 100644
--- a/chrome/test/base/ui_test_utils.h
+++ b/chrome/test/base/ui_test_utils.h
@@ -74,12 +74,6 @@ enum BrowserTestWaitFlags {
 // Puts the current tab title in |title|. Returns true on success.
 bool GetCurrentTabTitle(const Browser* browser, base::string16* title);
 
-// Opens |url| in an incognito browser window with the incognito profile of
-// |profile|, blocking until the navigation finishes. This will create a new
-// browser if a browser with the incognito profile does not exist. Returns the
-// incognito window Browser.
-Browser* OpenURLOffTheRecord(Profile* profile, const GURL& url);
-
 // Performs the provided navigation process, blocking until the navigation
 // finishes. May change the params in some cases (i.e. if the navigation
 // opens a new browser window). Uses chrome::Navigate.