Temporarily disable extensions and sync while a profile is locked - Profiles Approach

chrome/browser/profiles/profile_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/profiles/profile_manager.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 975 matching lines @@
   ProfileMetrics::LogNumberOfProfiles(this);
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_PROFILE_ADDED,
       content::Source<Profile>(profile),
       content::NotificationService::NoDetails());
 }
 
 void ProfileManager::DoFinalInitForServices(Profile* profile,
                                             bool go_off_the_record) {
 #if defined(ENABLE_EXTENSIONS)
+  ProfileInfoCache& cache = GetProfileInfoCache();
   extensions::ExtensionSystem::Get(profile)->InitForRegularProfile(
       !go_off_the_record);
   // During tests, when |profile| is an instance of TestingProfile,
   // ExtensionSystem might not create an ExtensionService.
   if (extensions::ExtensionSystem::Get(profile)->extension_service()) {
     extensions::ExtensionSystem::Get(profile)->extension_service()->
         RegisterContentSettings(profile->GetHostContentSettingsMap());
   }
+  // Set the block extensions bit on the ExtensionService. There likely are no
+  // blockable extensions to block.
+  size_t profile_index = cache.GetIndexOfProfileWithPath(profile->GetPath());
+  if (profile_index != std::string::npos &&
+      cache.ProfileIsSigninRequiredAtIndex(profile_index)) {
+    extensions::ExtensionSystem::Get(profile)
+        ->extension_service()
+        ->BlockAllExtensions();
+  }
+
 #endif
 #if defined(ENABLE_MANAGED_USERS) && !defined(OS_ANDROID)
   // Initialization needs to happen after extension system initialization (for
   // extension::ManagementPolicy) and InitProfileUserPrefs (for setting the
   // initializing the supervised flag if necessary).
   SupervisedUserServiceFactory::GetForProfile(profile)->Init();
 #endif
   // Start the deferred task runners once the profile is loaded.
   StartupTaskRunnerServiceFactory::GetForProfile(profile)->
       StartDeferredTaskRunners();
@@ skipping 315 matching lines @@
           last_non_supervised_profile_path.BaseName().MaybeAsASCII());
       FinishDeletingProfile(profile_to_delete_path);
     }
   }
 }
 #endif
 
 ProfileManagerWithoutInit::ProfileManagerWithoutInit(
     const base::FilePath& user_data_dir) : ProfileManager(user_data_dir) {
 }