RemoveById         62 chrome/browser/notifications/balloon_collection.h   virtual bool RemoveById(const std::string& id) = 0;
RemoveById         50 chrome/browser/notifications/balloon_collection_impl.h   virtual bool RemoveById(const std::string& id) OVERRIDE;
RemoveById        134 chrome/browser/notifications/balloon_notification_ui_manager.cc   return balloon_collection_->RemoveById(id);