Add profiling for FinishConfigureDataTypesOnFrontendLoop (sync).

chrome/browser/sync/glue/sync_backend_host_impl.cc

 // Copyright 2013 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 "chrome/browser/sync/glue/sync_backend_host_impl.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/profiler/scoped_tracker.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 591 matching lines @@
                   ready_task,
                   retry_callback));
 }
 
 void SyncBackendHostImpl::FinishConfigureDataTypesOnFrontendLoop(
     const syncer::ModelTypeSet enabled_types,
     const syncer::ModelTypeSet succeeded_configuration_types,
     const syncer::ModelTypeSet failed_configuration_types,
     const base::Callback<void(syncer::ModelTypeSet,
                               syncer::ModelTypeSet)>& ready_task) {
+  // TODO(erikchen): Remove ScopedTracker below once crbug.com/458406 is fixed.
+  tracked_objects::ScopedTracker tracking_profile1(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "458406 SyncBackendHostImpl::"

[vadimt, 2015/02/13 15:22:57]

You can't split this string into 2 lines. Our source parser doesn't
understand this. Please shorten the string.

[erikchen, 2015/02/13 23:28:39]

Done.

+          "FinishConfigureDataTypesOnFrontendLoop"));
   if (!frontend_)
     return;
 
   if (invalidator_) {
     invalidator_->UpdateRegisteredInvalidationIds(
         this,
         ModelTypeSetToObjectIdSet(enabled_types));
   }
 
+  // TODO(erikchen): Remove ScopedTracker below once crbug.com/458406 is fixed.
+  tracked_objects::ScopedTracker tracking_profile2(
+      FROM_HERE_WITH_EXPLICIT_FUNCTION(
+          "458406 SyncBackendHostImpl::"
+          "FinishConfigureDataTypesOnFrontendLoop::ReadyTask"));

[vadimt, 2015/02/13 15:22:57]

same

[erikchen, 2015/02/13 23:28:39]

Done.

   if (!ready_task.is_null())
     ready_task.Run(succeeded_configuration_types, failed_configuration_types);
 }
 
 void SyncBackendHostImpl::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   DCHECK_EQ(type, chrome::NOTIFICATION_SYNC_REFRESH_LOCAL);
@@ skipping 248 matching lines @@
 
 base::MessageLoop* SyncBackendHostImpl::GetSyncLoopForTesting() {
   return registrar_->sync_thread()->message_loop();
 }
 
 }  // namespace browser_sync
 
 #undef SDVLOG
 
 #undef SLOG