WatchEventCallback 1866 base/debug/trace_event_impl.cc WatchEventCallback watch_event_callback_copy; WatchEventCallback 2018 base/debug/trace_event_impl.cc const WatchEventCallback& callback) { WatchEventCallback 551 base/debug/trace_event_impl.h const WatchEventCallback& callback); WatchEventCallback 702 base/debug/trace_event_impl.h WatchEventCallback watch_event_callback_; WatchEventCallback 1207 base/debug/trace_event_unittest.cc TraceLog::WatchEventCallback callback = WatchEventCallback 525 content/browser/tracing/tracing_controller_impl.cc const WatchEventCallback& callback) { WatchEventCallback 55 content/browser/tracing/tracing_controller_impl.h const WatchEventCallback& callback) OVERRIDE; WatchEventCallback 178 content/browser/tracing/tracing_controller_impl.h WatchEventCallback watch_event_callback_; WatchEventCallback 158 content/public/browser/tracing_controller.h const WatchEventCallback& callback) = 0;