WaitForFlush      221 chrome/browser/extensions/api/streams_private/streams_private_apitest.cc     flush_observer->WaitForFlush();
WaitForFlush      159 chrome/browser/ui/browser_close_browsertest.cc         observer->WaitForFlush();
WaitForFlush      170 chrome/browser/ui/browser_close_browsertest.cc           observer->WaitForFlush();
WaitForFlush      723 content/browser/download/download_browsertest.cc   flush_observer->WaitForFlush();
WaitForFlush      240 content/public/test/download_test_observer.h   void WaitForFlush();