WIP: The tracing service prototype

content/browser/devtools/protocol/tracing_handler.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/devtools/protocol/tracing_handler.h"
 
 #include <cmath>
 
 #include "base/bind.h"
 #include "base/format_macros.h"
@@ skipping 291 matching lines @@
     std::unique_ptr<RequestMemoryDumpCallback> callback,
     uint64_t dump_guid,
     bool success) {
   callback->sendSuccess(base::StringPrintf("0x%" PRIx64, dump_guid), success);
 }
 
 Response TracingHandler::RecordClockSyncMarker(const std::string& sync_id) {
   if (!IsTracing())
     return Response::Error("Tracing is not started");
 
-  TracingControllerImpl::GetInstance()->RecordClockSyncMarker(
-      sync_id,
-      base::trace_event::TracingAgent::RecordClockSyncMarkerCallback());
+  TRACE_EVENT_CLOCK_SYNC_RECEIVER(sync_id);
 
   return Response::OK();
 }
 
 void TracingHandler::SetupTimer(double usage_reporting_interval) {
   if (usage_reporting_interval == 0) return;
 
   if (usage_reporting_interval < kMinimumReportingInterval)
       usage_reporting_interval = kMinimumReportingInterval;
 
@@ skipping 35 matching lines @@
 
   std::string mode;
   if (tracing_dict->GetString(kRecordModeParam, &mode))
     tracing_dict->SetString(kRecordModeParam, ConvertFromCamelCase(mode, '-'));
 
   return base::trace_event::TraceConfig(*tracing_dict);
 }
 
 }  // namespace tracing
 }  // namespace protocol