Revert of Send a TrackedPreference incident when registry pref validation fails.

components/user_prefs/tracked/mock_validation_delegate.cc

Index: components/user_prefs/tracked/mock_validation_delegate.cc
diff --git a/components/user_prefs/tracked/mock_validation_delegate.cc b/components/user_prefs/tracked/mock_validation_delegate.cc
index 9429537d2ea1c63e332b8308c9f998b71702784a..d2936af55be33e3d98ce79ae1c526791cbe9f6f1 100644
--- a/components/user_prefs/tracked/mock_validation_delegate.cc
+++ b/components/user_prefs/tracked/mock_validation_delegate.cc
@@ -20,16 +20,6 @@
   return count;
 }
 
-size_t MockValidationDelegate::CountExternalValidationsOfState(
-    PrefHashStoreTransaction::ValueState value_state) const {
-  size_t count = 0;
-  for (size_t i = 0; i < validations_.size(); ++i) {
-    if (validations_[i].external_validation_value_state == value_state)
-      ++count;
-  }
-  return count;
-}
-
 const MockValidationDelegate::ValidationEvent*
 MockValidationDelegate::GetEventForPath(const std::string& pref_path) const {
   for (size_t i = 0; i < validations_.size(); ++i) {
@@ -43,10 +33,9 @@
     const std::string& pref_path,
     const base::Value* value,
     PrefHashStoreTransaction::ValueState value_state,
-    PrefHashStoreTransaction::ValueState external_validation_value_state,
     bool is_personal) {
-  RecordValidation(pref_path, value_state, external_validation_value_state,
-                   is_personal, PrefHashFilter::TRACKING_STRATEGY_ATOMIC);
+  RecordValidation(pref_path, value_state, is_personal,
+                   PrefHashFilter::TRACKING_STRATEGY_ATOMIC);
 }
 
 void MockValidationDelegate::OnSplitPreferenceValidation(
@@ -54,19 +43,16 @@
     const base::DictionaryValue* dict_value,
     const std::vector<std::string>& invalid_keys,
     PrefHashStoreTransaction::ValueState value_state,
-    PrefHashStoreTransaction::ValueState external_validation_value_state,
     bool is_personal) {
-  RecordValidation(pref_path, value_state, external_validation_value_state,
-                   is_personal, PrefHashFilter::TRACKING_STRATEGY_SPLIT);
+  RecordValidation(pref_path, value_state, is_personal,
+                   PrefHashFilter::TRACKING_STRATEGY_SPLIT);
 }
 
 void MockValidationDelegate::RecordValidation(
     const std::string& pref_path,
     PrefHashStoreTransaction::ValueState value_state,
-    PrefHashStoreTransaction::ValueState external_validation_value_state,
     bool is_personal,
     PrefHashFilter::PrefTrackingStrategy strategy) {
-  validations_.push_back(ValidationEvent(pref_path, value_state,
-                                         external_validation_value_state,
-                                         is_personal, strategy));
+  validations_.push_back(
+      ValidationEvent(pref_path, value_state, is_personal, strategy));
 }