Reverting instrumentations

extensions/browser/api/system_info/system_info_api.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 "extensions/browser/api/system_info/system_info_api.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
-#include "base/profiler/scoped_profile.h"
 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "components/storage_monitor/removable_storage_observer.h"
 #include "components/storage_monitor/storage_info.h"
 #include "components/storage_monitor/storage_monitor.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/browser/api/system_display/display_info_provider.h"
 #include "extensions/browser/api/system_storage/storage_info_provider.h"
 #include "extensions/browser/extensions_browser_client.h"
 #include "extensions/common/api/system_display.h"
@@ skipping 207 matching lines @@
 }
 
 SystemInfoAPI::~SystemInfoAPI() {
 }
 
 void SystemInfoAPI::Shutdown() {
   EventRouter::Get(browser_context_)->UnregisterObserver(this);
 }
 
 void SystemInfoAPI::OnListenerAdded(const EventListenerInfo& details) {
-  // TODO(vadimt): Remove ScopedProfile below once crbug.com/417106 is fixed.
-  tracked_objects::ScopedProfile tracking_profile(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION("SystemInfoAPI::OnListenerAdded"));
-
   if (IsSystemStorageEvent(details.event_name)) {
     StorageMonitor::GetInstance()->EnsureInitialized(
         base::Bind(&AddEventListener, details.event_name));
   } else {
     AddEventListener(details.event_name);
   }
 }
 
 void SystemInfoAPI::OnListenerRemoved(const EventListenerInfo& details) {
   if (IsSystemStorageEvent(details.event_name)) {
     StorageMonitor::GetInstance()->EnsureInitialized(
         base::Bind(&RemoveEventListener, details.event_name));
   } else {
     RemoveEventListener(details.event_name);
   }
 }
 
 }  // namespace extensions