RemoveMergeSessionObserver 54 components/signin/core/browser/account_reconcilor.h void RemoveMergeSessionObserver(MergeSessionHelper::Observer* observer); RemoveMergeSessionObserver 133 components/signin/core/browser/signin_manager.h void RemoveMergeSessionObserver(MergeSessionHelper::Observer* observer); RemoveMergeSessionObserver 30 components/signin/core/browser/signin_tracker.cc account_reconcilor_->RemoveMergeSessionObserver(this); RemoveMergeSessionObserver 34 components/signin/core/browser/signin_tracker.cc manager->RemoveMergeSessionObserver(this);