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 4ba42e3d8855b934a0b883e09d2aef371eb089eb..78b1e25935d39f28342942c7051c4f0d31bc0c8b 100644
--- a/chrome/browser/prefs/pref_hash_filter.cc
+++ b/chrome/browser/prefs/pref_hash_filter.cc
@@ -15,6 +15,7 @@
 #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"
@@ -22,8 +23,9 @@
 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());
 
@@ -34,15 +36,19 @@ PrefHashFilter::PrefHashFilter(
     switch (metadata.strategy) {
       case TRACKING_STRATEGY_ATOMIC:
         tracked_preference.reset(
-            new TrackedAtomicPreference(metadata.name, metadata.reporting_id,
+            new TrackedAtomicPreference(metadata.name,
+                                        metadata.reporting_id,
                                         reporting_ids_count,
-                                        metadata.enforcement_level));
+                                        metadata.enforcement_level,
+                                        observer_.get()));
         break;
       case TRACKING_STRATEGY_SPLIT:
         tracked_preference.reset(
-            new TrackedSplitPreference(metadata.name, metadata.reporting_id,
+            new TrackedSplitPreference(metadata.name,
+                                       metadata.reporting_id,
                                        reporting_ids_count,
-                                       metadata.enforcement_level));
+                                       metadata.enforcement_level,
+                                       observer_.get()));
         break;
     }
     DCHECK(tracked_preference);