Remove unnecessary instrumentation for several jank bugs.

chrome/browser/task_manager/task_manager.cc

 // Copyright (c) 2012 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/task_manager/task_manager.h"
 
 #include "base/bind.h"
 #include "base/i18n/number_formatting.h"
 #include "base/i18n/rtl.h"
 #include "base/prefs/pref_registry_simple.h"
@@ skipping 224 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // TaskManagerModel class
 ////////////////////////////////////////////////////////////////////////////////
 
 TaskManagerModel::TaskManagerModel(TaskManager* task_manager)
     : pending_video_memory_usage_stats_update_(false),
       update_requests_(0),
       listen_requests_(0),
       update_state_(IDLE),
       is_updating_byte_count_(false) {
-  // TODO(vadimt): Remove ScopedTracker below once crbug.com/437890 is fixed.
-  tracked_objects::ScopedTracker tracking_profile1(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "437890 TaskManagerModel::TaskManagerModel1"));
-
   AddResourceProvider(
       new task_manager::BrowserProcessResourceProvider(task_manager));
-
-  // TODO(vadimt): Remove ScopedTracker below once crbug.com/437890 is fixed.
-  tracked_objects::ScopedTracker tracking_profile2(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "437890 TaskManagerModel::TaskManagerModel2"));
-
   AddResourceProvider(new task_manager::WebContentsResourceProvider(
       task_manager,
       scoped_ptr<WebContentsInformation>(
           new task_manager::BackgroundInformation())));
-
-  // TODO(vadimt): Remove ScopedTracker below once crbug.com/437890 is fixed.
-  tracked_objects::ScopedTracker tracking_profile3(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "437890 TaskManagerModel::TaskManagerModel3"));
-
   AddResourceProvider(new task_manager::WebContentsResourceProvider(
       task_manager,
       scoped_ptr<WebContentsInformation>(
           new task_manager::TabContentsInformation())));
 #if defined(ENABLE_PRINT_PREVIEW)
-
-  // TODO(vadimt): Remove ScopedTracker below once crbug.com/437890 is fixed.
-  tracked_objects::ScopedTracker tracking_profile4(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "437890 TaskManagerModel::TaskManagerModel4"));
-
   AddResourceProvider(new task_manager::WebContentsResourceProvider(
       task_manager,
       scoped_ptr<WebContentsInformation>(
           new task_manager::PrintingInformation())));
 #endif  // ENABLE_PRINT_PREVIEW
-
-  // TODO(vadimt): Remove ScopedTracker below once crbug.com/437890 is fixed.
-  tracked_objects::ScopedTracker tracking_profile5(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "437890 TaskManagerModel::TaskManagerModel5"));
-
   AddResourceProvider(new task_manager::WebContentsResourceProvider(
       task_manager,
       scoped_ptr<WebContentsInformation>(
           new task_manager::PanelInformation())));
-
-  // TODO(vadimt): Remove ScopedTracker below once crbug.com/437890 is fixed.
-  tracked_objects::ScopedTracker tracking_profile6(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "437890 TaskManagerModel::TaskManagerModel6"));
-
   AddResourceProvider(
       new task_manager::ChildProcessResourceProvider(task_manager));
-
-  // TODO(vadimt): Remove ScopedTracker below once crbug.com/437890 is fixed.
-  tracked_objects::ScopedTracker tracking_profile7(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "437890 TaskManagerModel::TaskManagerModel7"));
-
   AddResourceProvider(new task_manager::WebContentsResourceProvider(
       task_manager,
       scoped_ptr<WebContentsInformation>(
           new task_manager::ExtensionInformation())));
-
-  // TODO(vadimt): Remove ScopedTracker below once crbug.com/437890 is fixed.
-  tracked_objects::ScopedTracker tracking_profile8(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION(
-          "437890 TaskManagerModel::TaskManagerModel8"));
-
   AddResourceProvider(new task_manager::WebContentsResourceProvider(
       task_manager,
       scoped_ptr<WebContentsInformation>(
           new task_manager::GuestInformation())));
 }
 
 void TaskManagerModel::AddObserver(TaskManagerModelObserver* observer) {
   observer_list_.AddObserver(observer);
 }
 
@@ skipping 1277 matching lines @@
   params.host_desktop_type = desktop_type;
   chrome::Navigate(&params);
 }
 
 TaskManager::TaskManager()
     : model_(new TaskManagerModel(this)) {
 }
 
 TaskManager::~TaskManager() {
 }