Add TrackedPreferenceValidationDelegate

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index d0b7789cacea1f9a9429b096fe93e04be26a7d47..7c0a6c0d750d353d0dcba7d20500c46aea4b546a 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -61,6 +61,7 @@
 #include "chrome/browser/prefs/browser_prefs.h"
 #include "chrome/browser/prefs/chrome_pref_service_factory.h"
 #include "chrome/browser/prefs/pref_service_syncable.h"
+#include "chrome/browser/prefs/tracked/tracked_preference_validation_delegate.h"
 #include "chrome/browser/prerender/prerender_manager_factory.h"
 #include "chrome/browser/profiles/bookmark_model_loaded_observer.h"
 #include "chrome/browser/profiles/chrome_version_service.h"
@@ -464,20 +465,23 @@ ProfileImpl::ProfileImpl(
       path_, sequenced_task_runner, create_mode == CREATE_MODE_SYNCHRONOUS);
 #endif
 
+  // TODO(grt): construct pref_validation_delegate_.
   {
     // On startup, preference loading is always synchronous so a scoped timer
     // will work here.
     startup_metric_utils::ScopedSlowStartupUMA
         scoped_timer("Startup.SlowStartupPreferenceLoading");
     prefs_ = chrome_prefs::CreateProfilePrefs(
-        path_,
-        sequenced_task_runner,
-        profile_policy_connector_->policy_service(),
-        managed_user_settings,
-        new ExtensionPrefStore(
-            ExtensionPrefValueMapFactory::GetForBrowserContext(this), false),
-        pref_registry_,
-        async_prefs).Pass();
+                 path_,
+                 sequenced_task_runner,
+                 pref_validation_delegate_.get(),
+                 profile_policy_connector_->policy_service(),
+                 managed_user_settings,
+                 new ExtensionPrefStore(
+                     ExtensionPrefValueMapFactory::GetForBrowserContext(this),
+                     false),
+                 pref_registry_,
+                 async_prefs).Pass();
     // Register on BrowserContext.
     user_prefs::UserPrefs::Set(this, prefs_.get());
   }