Update from https://crrev.com/329939

base/prefs/value_map_pref_store.h

Index: base/prefs/value_map_pref_store.h
diff --git a/base/prefs/value_map_pref_store.h b/base/prefs/value_map_pref_store.h
index 8c515ed345d8a78cbbdefcb5ef01e82ed8f4885f..86c94bb50cad4f4bf04123de100077832ab28ca0 100644
--- a/base/prefs/value_map_pref_store.h
+++ b/base/prefs/value_map_pref_store.h
@@ -28,11 +28,15 @@ class BASE_PREFS_EXPORT ValueMapPrefStore : public WriteablePrefStore {
   bool HasObservers() const override;
 
   // WriteablePrefStore overrides:
-  void SetValue(const std::string& key, base::Value* value) override;
-  void RemoveValue(const std::string& key) override;
+  void SetValue(const std::string& key,
+                base::Value* value,
+                uint32 flags) override;
+  void RemoveValue(const std::string& key, uint32 flags) override;
   bool GetMutableValue(const std::string& key, base::Value** value) override;
-  void ReportValueChanged(const std::string& key) override;
-  void SetValueSilently(const std::string& key, base::Value* value) override;
+  void ReportValueChanged(const std::string& key, uint32 flags) override;
+  void SetValueSilently(const std::string& key,
+                        base::Value* value,
+                        uint32 flags) override;
 
  protected:
   ~ValueMapPrefStore() override;