Make sure even if chrome crashes on login we properly populate the use_shared_proxies pref.

chrome/browser/chromeos/chrome_browser_main_chromeos.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/chromeos/chrome_browser_main_chromeos.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 29 matching lines @@
 #include "chrome/browser/chromeos/system/runtime_environment.h"
 #include "chrome/browser/chromeos/system/statistics_provider.h"
 #include "chrome/browser/chromeos/system_key_event_listener.h"
 #include "chrome/browser/chromeos/upgrade_detector_chromeos.h"
 #include "chrome/browser/chromeos/web_socket_proxy_controller.h"
 #include "chrome/browser/chromeos/xinput_hierarchy_changed_event_listener.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/metrics/metrics_service.h"
 #include "chrome/browser/oom_priority_manager.h"
 #include "chrome/browser/policy/browser_policy_connector.h"
+#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/views/browser_dialogs.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/logging_chrome.h"
+#include "chrome/common/pref_names.h"
 #include "content/public/common/main_function_params.h"
 #include "grit/platform_locale_settings.h"
 #include "net/base/network_change_notifier.h"
 #include "net/url_request/url_request.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if defined(TOOLKIT_USES_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 328 matching lines @@
   }
 
   // In Aura builds this will initialize ash::Shell.
   ChromeBrowserMainPartsLinux::PreProfileInit();
 }
 
 void ChromeBrowserMainPartsChromeos::PostProfileInit() {
   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
   // -- just after CreateProfile().
 
-  // Pass the TokenService pointer to the policy connector so user policy can
-  // grab a token and register with the policy server.
-  // TODO(mnissler): Remove once OAuth is the only authentication mechanism.
   if (parsed_command_line().HasSwitch(switches::kLoginUser) &&
       !parsed_command_line().HasSwitch(switches::kLoginPassword)) {
+    // Pass the TokenService pointer to the policy connector so user policy can
+    // grab a token and register with the policy server.
+    // TODO(mnissler): Remove once OAuth is the only authentication mechanism.
     g_browser_process->browser_policy_connector()->SetUserPolicyTokenService(
         profile()->GetTokenService());
+
+    // Make sure we flip every profile to not share proxies if the user hasn't
+    // specified so explicitly.
+    const PrefService::Preference* use_shared_proxies_pref =
+        profile()->GetPrefs()->FindPreference(prefs::kUseSharedProxies);
+    if (use_shared_proxies_pref->IsDefaultValue())
+      profile()->GetPrefs()->SetBoolean(prefs::kUseSharedProxies, false);
   }
 
   // Tests should be able to tune login manager before showing it.
   // Thus only show login manager in normal (non-testing) mode.
   if (!parameters().ui_task)
     OptionallyRunChromeOSLoginManager(parsed_command_line(), profile());
 
   ChromeBrowserMainPartsLinux::PostProfileInit();
 }
 
@@ skipping 91 matching lines @@
   // Let VideoPropertyWriter unregister itself as an observer of the ash::Shell
   // singleton before the shell is destroyed.
   video_property_writer_.reset();
   // Remove PowerButtonObserver attached to a D-Bus client before
   // DBusThreadManager is shut down.
   power_button_observer_.reset();
 #endif
 
   ChromeBrowserMainPartsLinux::PostMainMessageLoopRun();
 }