Remove the unmaintained performance monitor.

chrome/browser/performance_monitor/performance_monitor_util.h

-// 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.
-
-#ifndef CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_UTIL_H_
-#define CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_UTIL_H_
-
-#include "base/callback.h"
-#include "base/time/time.h"
-#include "base/tracked_objects.h"
-#include "chrome/browser/performance_monitor/database.h"
-#include "chrome/browser/performance_monitor/event.h"
-#include "chrome/browser/performance_monitor/metric.h"
-#include "chrome/common/extensions/extension_constants.h"
-
-namespace performance_monitor {
-namespace util {
-
-// Posts |request| to the performance monitor database's sequenced thread. On
-// completion |reply| is posted to the thread that called
-// PostTaskToDatabaseThreadAndReply.
-bool PostTaskToDatabaseThreadAndReply(
-    const tracked_objects::Location& from_here,
-    const base::Closure& request,
-    const base::Closure& reply);
-
-// These are a collection of methods designed to create an event to store the
-// pertinent information, given all the fields. Please use these methods to
-// create any PerformanceMonitor events, as this will ensure strong-typing
-// guards that performance_monitor::Event() will not.
-scoped_ptr<Event> CreateExtensionEvent(const EventType type,
-                                       const base::Time& time,
-                                       const std::string& id,
-                                       const std::string& name,
-                                       const std::string& url,
-                                       const int location,
-                                       const std::string& version,
-                                       const std::string& description);
-
-scoped_ptr<Event> CreateRendererFailureEvent(const base::Time& time,
-                                             const EventType& type,
-                                             const std::string& url);
-
-scoped_ptr<Event> CreateUncleanExitEvent(const base::Time& time,
-                                         const std::string& profile_name);
-
-scoped_ptr<Event> CreateChromeUpdateEvent(const base::Time& time,
-                                          const std::string& previous_version,
-                                          const std::string& current_version);
-
-}  // namespace util
-}  // namespace performance_monitor
-
-#endif  // CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_UTIL_H_