Disarm StartupTimeBomb when it is deleted

chrome/browser/chrome_browser_main.h

 // Copyright (c) 2011 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_CHROME_BROWSER_MAIN_H_
 #define CHROME_BROWSER_CHROME_BROWSER_MAIN_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/metrics/field_trial.h"
 #include "base/tracked_objects.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/process_singleton.h"
 #include "chrome/browser/ui/browser_init.h"
 #include "content/public/browser/browser_main_parts.h"
 #include "content/public/browser/browser_thread.h"
 
 class BrowserInit;
 class BrowserProcessImpl;
 class ChromeBrowserMainExtraParts;
 class FieldTrialSynchronizer;
 class HistogramSynchronizer;
 class MetricsService;
 class PrefService;
 class Profile;
+class StartupTimeBomb;
 class ShutdownWatcherHelper;
 class TranslateManager;
 
 namespace chrome_browser {
 // For use by ShowMissingLocaleMessageBox.
 extern const char kMissingLocaleDataTitle[];
 extern const char kMissingLocaleDataMessage[];
 }
 
 namespace chrome_browser_metrics {
@@ skipping 92 matching lines @@
 
   int PreCreateThreadsImpl();
   int PreMainMessageLoopRunImpl();
 
   // Members initialized on construction ---------------------------------------
 
   const content::MainFunctionParams& parameters_;
   const CommandLine& parsed_command_line_;
   int result_code_;
 
+  // Create StartupTimeBomb object for watching jank during startup.
+  scoped_ptr<StartupTimeBomb> startup_watcher_;
+
   // Create ShutdownWatcherHelper object for watching jank during shutdown.
   // Please keep |shutdown_watcher| as the first object constructed, and hence
   // it is destroyed last.
   scoped_ptr<ShutdownWatcherHelper> shutdown_watcher_;
 
   // Creating this object starts tracking the creation and deletion of Task
   // instance. This MUST be done before main_message_loop, so that it is
   // destroyed after the main_message_loop.
   tracked_objects::AutoTracking tracking_objects_;
 
@@ skipping 54 matching lines @@
 // Records the time from our process' startup to the present time in
 // the UMA histogram |metric_name|.
 void RecordBrowserStartupTime();
 
 // Records a time value to an UMA histogram in the context of the
 // PreReadExperiment field-trial. This also reports to the appropriate
 // sub-histogram (_PreRead(Enabled|Disabled)).
 void RecordPreReadExperimentTime(const char* name, base::TimeDelta time);
 
 #endif  // CHROME_BROWSER_CHROME_BROWSER_MAIN_H_