Update from https://crrev.com/329939

base/prefs/testing_pref_store.h

Index: base/prefs/testing_pref_store.h
diff --git a/base/prefs/testing_pref_store.h b/base/prefs/testing_pref_store.h
index 866b4aeb029c6a5aaf64e5e4401f58535f731c82..3de5cacb1bf4bf33879c361b46a8e141623e1ce6 100644
--- a/base/prefs/testing_pref_store.h
+++ b/base/prefs/testing_pref_store.h
@@ -30,10 +30,14 @@ class TestingPrefStore : public PersistentPrefStore {
 
   // PersistentPrefStore overrides:
   bool GetMutableValue(const std::string& key, base::Value** result) override;
-  void ReportValueChanged(const std::string& key) override;
-  void SetValue(const std::string& key, base::Value* value) override;
-  void SetValueSilently(const std::string& key, base::Value* value) override;
-  void RemoveValue(const std::string& key) override;
+  void ReportValueChanged(const std::string& key, uint32 flags) override;
+  void SetValue(const std::string& key,
+                base::Value* value,
+                uint32 flags) override;
+  void SetValueSilently(const std::string& key,
+                        base::Value* value,
+                        uint32 flags) override;
+  void RemoveValue(const std::string& key, uint32 flags) override;
   bool ReadOnly() const override;
   PrefReadError GetReadError() const override;
   PersistentPrefStore::PrefReadError ReadPrefs() override;