TryLock 27 chrome/common/multi_process_lock_linux.cc virtual bool TryLock() OVERRIDE { TryLock 23 chrome/common/multi_process_lock_mac.cc virtual bool TryLock() OVERRIDE { TryLock 21 chrome/common/multi_process_lock_win.cc virtual bool TryLock() { TryLock 41 mojo/public/cpp/utility/lib/mutex.cc bool Mutex::TryLock() {