ActionCallback 14 base/metrics/user_metrics.cc base::LazyInstance<std::vector<ActionCallback> > g_action_callbacks = ActionCallback 32 base/metrics/user_metrics.cc void AddActionCallback(const ActionCallback& callback) { ActionCallback 36 base/metrics/user_metrics.cc void RemoveActionCallback(const ActionCallback& callback) { ActionCallback 53 base/metrics/user_metrics.h BASE_EXPORT void AddActionCallback(const ActionCallback& callback); ActionCallback 54 base/metrics/user_metrics.h BASE_EXPORT void RemoveActionCallback(const ActionCallback& callback); ActionCallback 94 chrome/browser/extensions/api/metrics_private/metrics_apitest.cc base::ActionCallback action_callback_; ActionCallback 526 chrome/browser/metrics/metrics_service.h base::ActionCallback action_callback_; ActionCallback 26 chrome/browser/ui/webui/user_actions/user_actions_ui_handler.h base::ActionCallback action_callback_;