Add TrackedPreferenceValidationDelegate

chrome/browser/prefs/pref_hash_filter.cc

Index: chrome/browser/prefs/pref_hash_filter.cc
diff --git a/chrome/browser/prefs/pref_hash_filter.cc b/chrome/browser/prefs/pref_hash_filter.cc
index e35df37edb45769367d2673f109a1097ab88b4e1..e42d52a9db61ca2875028526edf0c265827cdfb3 100644
--- a/chrome/browser/prefs/pref_hash_filter.cc
+++ b/chrome/browser/prefs/pref_hash_filter.cc
@@ -16,6 +16,7 @@
 #include "base/values.h"
 #include "chrome/browser/prefs/pref_hash_store_transaction.h"
 #include "chrome/browser/prefs/tracked/tracked_atomic_preference.h"
+#include "chrome/browser/prefs/tracked/tracked_preference_validation_observer.h"
 #include "chrome/browser/prefs/tracked/tracked_split_preference.h"
 #include "chrome/common/pref_names.h"
 #include "components/user_prefs/pref_registry_syncable.h"
@@ -23,8 +24,9 @@
 PrefHashFilter::PrefHashFilter(
     scoped_ptr<PrefHashStore> pref_hash_store,
     const std::vector<TrackedPreferenceMetadata>& tracked_preferences,
+    scoped_ptr<TrackedPreferenceValidationObserver> observer,
     size_t reporting_ids_count)
-        : pref_hash_store_(pref_hash_store.Pass()) {
+    : pref_hash_store_(pref_hash_store.Pass()), observer_(observer.Pass()) {
   DCHECK(pref_hash_store_);
   DCHECK_GE(reporting_ids_count, tracked_preferences.size());
 
@@ -111,7 +113,8 @@ void PrefHashFilter::MigrateValues(PersistentPrefStore* source,
         temp_dictionary.Set(it->first, source_value->DeepCopy());
         // Check whether the value is correct according to our MAC. May remove
         // the value from |temp_dictionary|.
-        it->second->EnforceAndReport(&temp_dictionary, transaction.get());
+        it->second->EnforceAndReport(
+            &temp_dictionary, transaction.get(), observer_.get());
         // Now take the value as it appears in |temp_dictionary| and put it in
         // |destination|.
         scoped_ptr<base::Value> checked_value;
@@ -163,7 +166,8 @@ bool PrefHashFilter::FilterOnLoad(base::DictionaryValue* pref_store_contents) {
     for (TrackedPreferencesMap::const_iterator it = tracked_paths_.begin();
          it != tracked_paths_.end(); ++it) {
       if (it->second->EnforceAndReport(pref_store_contents,
-                                       hash_store_transaction.get())) {
+                                       hash_store_transaction.get(),
+                                       observer_.get())) {
         did_reset = true;
       }
     }