Add a flag to ProfileSyncService that says whether encrypting all data is allowed.

chrome/browser/supervised_user/supervised_user_service.cc

 // Copyright 2014 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/supervised_user/supervised_user_service.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/prefs/pref_service.h"
@@ skipping 733 matching lines @@
   // Now activate/deactivate anything not handled by the delegate yet.
 
 #if defined(ENABLE_THEMES)
   // Re-set the default theme to turn the SU theme on/off.
   ThemeService* theme_service = ThemeServiceFactory::GetForProfile(profile_);
   if (theme_service->UsingDefaultTheme() || theme_service->UsingSystemTheme()) {
     ThemeServiceFactory::GetForProfile(profile_)->UseDefaultTheme();
   }
 #endif
 
+  ProfileSyncService* sync_service =
+      ProfileSyncServiceFactory::GetForProfile(profile_);
+  sync_service->SetEncryptEverythingAllowed(!active_);
+
   GetSettingsService()->SetActive(active_);
 
 #if defined(ENABLE_EXTENSIONS)
   SetExtensionsActive();
 #endif
 
   if (active_) {
     if (CommandLine::ForCurrentProcess()->HasSwitch(
             switches::kPermissionRequestApiUrl)) {
       GURL url(CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
@@ skipping 198 matching lines @@
   // The active user can be NULL in unit tests.
   if (user_manager::UserManager::Get()->GetActiveUser()) {
     return UTF16ToUTF8(user_manager::UserManager::Get()->GetUserDisplayName(
         user_manager::UserManager::Get()->GetActiveUser()->GetUserID()));
   }
   return std::string();
 #else
   return profile_->GetPrefs()->GetString(prefs::kProfileName);
 #endif
 }