1 // Copyright 2015 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/trace_event/tracing_agent.h" 6 7 namespace base { 8 namespace trace_event { 9 10 TracingAgent::~TracingAgent() = default; 11 SupportsExplicitClockSync()12bool TracingAgent::SupportsExplicitClockSync() { 13 return false; 14 } 15 RecordClockSyncMarker(const std::string & sync_id,RecordClockSyncMarkerCallback callback)16void TracingAgent::RecordClockSyncMarker( 17 const std::string& sync_id, 18 RecordClockSyncMarkerCallback callback) { 19 DCHECK(SupportsExplicitClockSync()); 20 } 21 22 23 } // namespace trace_event 24 } // namespace base 25