Readding UI test I pulled yesterday; hopefully the bots will like it more now...

chrome/test/ui/ui_test.h

Index: chrome/test/ui/ui_test.h
===================================================================
--- chrome/test/ui/ui_test.h	(revision 1688)
+++ chrome/test/ui/ui_test.h	(working copy)
@@ -127,6 +127,12 @@
   // if the window doesn't appear within a specific time.
   bool WaitForFindWindowFullyVisible(TabProxy* tab);
 
+  // Waits until the Bookmark bar has stopped animating and become fully visible
+  // (if |wait_for_open| is true) or fully hidden (if |wait_for_open| is false).
+  // This function can time out (in which case it returns false).
+  bool WaitForBookmarkBarVisibilityChange(BrowserProxy* browser,
+                                          bool wait_for_open);
+
   // Closes the specified browser.  Returns true if the browser was closed.
   // This call is blocking.  |application_closed| is set to true if this was
   // the last browser window (and therefore as a result of it closing the