Move preference MACs to the protected preference stores.

chrome/browser/prefs/chrome_pref_service_factory.cc

Index: chrome/browser/prefs/chrome_pref_service_factory.cc
diff --git a/chrome/browser/prefs/chrome_pref_service_factory.cc b/chrome/browser/prefs/chrome_pref_service_factory.cc
index d0ea85b3ddcd5aa8d4675d683c0810b64f1be4c9..bbc27e2406d8a32da9d2bab73eb27b1537cea5db 100644
--- a/chrome/browser/prefs/chrome_pref_service_factory.cc
+++ b/chrome/browser/prefs/chrome_pref_service_factory.cc
@@ -393,25 +393,6 @@ void PrepareFactory(
   factory->set_user_prefs(user_pref_store);
 }
 
-// Initialize/update preference hash stores for all profiles but the one whose
-// path matches |ignored_profile_path|.
-void UpdateAllPrefHashStoresIfRequired(
-    const base::FilePath& ignored_profile_path) {
-  const ProfileInfoCache& profile_info_cache =
-      g_browser_process->profile_manager()->GetProfileInfoCache();
-  const size_t n_profiles = profile_info_cache.GetNumberOfProfiles();
-  for (size_t i = 0; i < n_profiles; ++i) {
-    const base::FilePath profile_path =
-        profile_info_cache.GetPathOfProfileAtIndex(i);
-    if (profile_path != ignored_profile_path) {
-      CreateProfilePrefStoreManager(profile_path)
-          ->UpdateProfileHashStoreIfRequired(
-              JsonPrefStore::GetTaskRunnerForFile(
-                  profile_path, BrowserThread::GetBlockingPool()));
-    }
-  }
-}
-
 }  // namespace
 
 namespace chrome_prefs {
@@ -494,28 +475,6 @@ void DisableDelaysAndDomainCheckForTesting() {
   g_disable_delays_and_domain_check_for_testing = true;
 }
 
-void SchedulePrefHashStoresUpdateCheck(
-    const base::FilePath& initial_profile_path) {
-  if (!ProfilePrefStoreManager::kPlatformSupportsPreferenceTracking) {
-    ProfilePrefStoreManager::ResetAllPrefHashStores(
-        g_browser_process->local_state());
-    return;
-  }
-
-  if (GetSettingsEnforcementGroup() >= GROUP_ENFORCE_ALWAYS)
-    return;
-
-  const int kDefaultPrefHashStoresUpdateCheckDelaySeconds = 55;
-  BrowserThread::PostDelayedTask(
-        BrowserThread::UI,
-        FROM_HERE,
-        base::Bind(&UpdateAllPrefHashStoresIfRequired,
-                   initial_profile_path),
-        base::TimeDelta::FromSeconds(
-            g_disable_delays_and_domain_check_for_testing ?
-                0 : kDefaultPrefHashStoresUpdateCheckDelaySeconds));
-}
-
 void ResetPrefHashStore(const base::FilePath& profile_path) {
   CreateProfilePrefStoreManager(profile_path)->ResetPrefHashStore();
 }