Update from https://crrev.com/329939

base/prefs/testing_pref_service.h

Index: base/prefs/testing_pref_service.h
diff --git a/base/prefs/testing_pref_service.h b/base/prefs/testing_pref_service.h
index 40fd66a8e61c29f39af5e8efed64f67686329785..75873836b4112fb2a39628d4b6784311dbc4489b 100644
--- a/base/prefs/testing_pref_service.h
+++ b/base/prefs/testing_pref_service.h
@@ -182,13 +182,14 @@ void TestingPrefServiceBase<SuperPrefService, ConstructionPrefRegistry>::
     SetPref(TestingPrefStore* pref_store,
             const std::string& path,
             base::Value* value) {
-  pref_store->SetValue(path, value);
+  pref_store->SetValue(path, value,
+                       WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
 }
 
 template <class SuperPrefService, class ConstructionPrefRegistry>
 void TestingPrefServiceBase<SuperPrefService, ConstructionPrefRegistry>::
     RemovePref(TestingPrefStore* pref_store, const std::string& path) {
-  pref_store->RemoveValue(path);
+  pref_store->RemoveValue(path, WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
 }
 
 #endif  // BASE_PREFS_TESTING_PREF_SERVICE_H_