ThreadWatcher - generate crash dump if ThreadWatcher doesn't disarm

chrome/browser/chrome_browser_main.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/chrome_browser_main.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 1404 matching lines @@
       profile_->GetPrefs()->GetString(prefs::kAcceptLanguages));
   language_usage_metrics::LanguageUsageMetrics::RecordApplicationLanguage(
       browser_process_->GetApplicationLocale());
 
   // Start watching for hangs during startup. We disarm this hang detector when
   // ThreadWatcher takes over or when browser is shutdown or when
   // startup_watcher_ is deleted.
   metrics::MetricsService::SetExecutionPhase(
       metrics::MetricsService::STARTUP_TIMEBOMB_ARM,
       g_browser_process->local_state());
-  startup_watcher_->Arm(base::TimeDelta::FromSeconds(300));
+  startup_watcher_->Arm(base::TimeDelta::FromSeconds(600));
 
   // On mobile, need for clean shutdown arises only when the application comes
   // to foreground (i.e. MetricsService::OnAppEnterForeground is called).
   // http://crbug.com/179143
 #if !defined(OS_ANDROID)
   // Start watching for a hang.
   browser_process_->metrics_service()->LogNeedForCleanShutdown();
 #endif
 
 #if defined(ENABLE_FULL_PRINTING)
@@ skipping 245 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif
 #endif
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }