Instrumentation to find jank in DomainReliabilityMonitor::AddBakedInConfigs

components/domain_reliability/monitor.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 "components/domain_reliability/monitor.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 216 matching lines @@
   return status.status() != net::URLRequestStatus::CANCELED &&
      response_info.network_accessed;
 }
 
 DomainReliabilityContext* DomainReliabilityMonitor::AddContext(
     scoped_ptr<const DomainReliabilityConfig> config) {
   DCHECK(OnNetworkThread());
   DCHECK(config);
   DCHECK(config->IsValid());
 
+  // TODO(vadimt): Remove ScopedTracker below once crbug.com/436671 is fixed.
+  tracked_objects::ScopedTracker tracking_profile(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "436671 DomainReliabilityConfig::AddContext"));
+
   // Grab a copy of the domain before transferring ownership of |config|.
   std::string domain = config->domain;
 
   DomainReliabilityContext* context =
       new DomainReliabilityContext(time_.get(),
                                    scheduler_params_,
                                    upload_reporter_string_,
                                    &last_network_change_time_,
                                    &dispatcher_,
                                    uploader_.get(),
@@ skipping 101 matching lines @@
 
   return NULL;
 }
 
 base::WeakPtr<DomainReliabilityMonitor>
 DomainReliabilityMonitor::MakeWeakPtr() {
   return weak_factory_.GetWeakPtr();
 }
 
 }  // namespace domain_reliability