Update from https://crrev.com/327068

base/prefs/pref_registry_simple.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/prefs/pref_registry_simple.h"
 
 #include "base/files/file_path.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 
 PrefRegistrySimple::PrefRegistrySimple() {
 }
 
 PrefRegistrySimple::~PrefRegistrySimple() {
 }
 
 void PrefRegistrySimple::RegisterBooleanPref(const std::string& path,
                                              bool default_value) {
-  RegisterPreference(path, new base::FundamentalValue(default_value));
+  RegisterPrefAndNotify(path, new base::FundamentalValue(default_value),
+                        NO_REGISTRATION_FLAGS);
 }
 
 void PrefRegistrySimple::RegisterIntegerPref(const std::string& path,
                                              int default_value) {
-  RegisterPreference(path, new base::FundamentalValue(default_value));
+  RegisterPrefAndNotify(path, new base::FundamentalValue(default_value),
+                        NO_REGISTRATION_FLAGS);
 }
 
 void PrefRegistrySimple::RegisterDoublePref(const std::string& path,
                                             double default_value) {
-  RegisterPreference(path, new base::FundamentalValue(default_value));
+  RegisterPrefAndNotify(path, new base::FundamentalValue(default_value),
+                        NO_REGISTRATION_FLAGS);
 }
 
 void PrefRegistrySimple::RegisterStringPref(const std::string& path,
                                             const std::string& default_value) {
-  RegisterPreference(path, new base::StringValue(default_value));
+  RegisterPrefAndNotify(path, new base::StringValue(default_value),
+                        NO_REGISTRATION_FLAGS);
 }
 
 void PrefRegistrySimple::RegisterFilePathPref(
     const std::string& path,
     const base::FilePath& default_value) {
-  RegisterPreference(path, new base::StringValue(default_value.value()));
+  RegisterPrefAndNotify(path, new base::StringValue(default_value.value()),
+                        NO_REGISTRATION_FLAGS);
 }
 
 void PrefRegistrySimple::RegisterListPref(const std::string& path) {
-  RegisterPreference(path, new base::ListValue());
+  RegisterPrefAndNotify(path, new base::ListValue(), NO_REGISTRATION_FLAGS);
 }
 
 void PrefRegistrySimple::RegisterListPref(const std::string& path,
                                           base::ListValue* default_value) {
-  RegisterPreference(path, default_value);
+  RegisterPrefAndNotify(path, default_value, NO_REGISTRATION_FLAGS);
 }
 
 void PrefRegistrySimple::RegisterDictionaryPref(const std::string& path) {
-  RegisterPreference(path, new base::DictionaryValue());
+  RegisterPrefAndNotify(path, new base::DictionaryValue(),
+                        NO_REGISTRATION_FLAGS);
 }
 
 void PrefRegistrySimple::RegisterDictionaryPref(
     const std::string& path,
     base::DictionaryValue* default_value) {
-  RegisterPreference(path, default_value);
+  RegisterPrefAndNotify(path, default_value, NO_REGISTRATION_FLAGS);
 }
 
 void PrefRegistrySimple::RegisterInt64Pref(const std::string& path,
                                            int64 default_value) {
-  RegisterPreference(
-      path, new base::StringValue(base::Int64ToString(default_value)));
+  RegisterPrefAndNotify(
+      path, new base::StringValue(base::Int64ToString(default_value)),
+      NO_REGISTRATION_FLAGS);
 }
+
+void PrefRegistrySimple::RegisterUint64Pref(const std::string& path,
+                                            uint64 default_value) {
+  RegisterPrefAndNotify(
+      path, new base::StringValue(base::Uint64ToString(default_value)),
+      NO_REGISTRATION_FLAGS);
+}
+
+void PrefRegistrySimple::RegisterBooleanPref(const std::string& path,
+                                             bool default_value,
+                                             uint32 flags) {
+  RegisterPrefAndNotify(path, new base::FundamentalValue(default_value), flags);
+}
+
+void PrefRegistrySimple::RegisterIntegerPref(const std::string& path,
+                                             int default_value,
+                                             uint32 flags) {
+  RegisterPrefAndNotify(path, new base::FundamentalValue(default_value), flags);
+}
+
+void PrefRegistrySimple::RegisterDoublePref(const std::string& path,
+                                            double default_value,
+                                            uint32 flags) {
+  RegisterPrefAndNotify(path, new base::FundamentalValue(default_value), flags);
+}
+
+void PrefRegistrySimple::RegisterStringPref(const std::string& path,
+                                            const std::string& default_value,
+                                            uint32 flags) {
+  RegisterPrefAndNotify(path, new base::StringValue(default_value), flags);
+}
+
+void PrefRegistrySimple::RegisterFilePathPref(
+    const std::string& path,
+    const base::FilePath& default_value,
+    uint32 flags) {
+  RegisterPrefAndNotify(path, new base::StringValue(default_value.value()),
+                        flags);
+}
+
+void PrefRegistrySimple::RegisterListPref(const std::string& path,
+                                          uint32 flags) {
+  RegisterPrefAndNotify(path, new base::ListValue(), flags);
+}
+
+void PrefRegistrySimple::RegisterListPref(const std::string& path,
+                                          base::ListValue* default_value,
+                                          uint32 flags) {
+  RegisterPrefAndNotify(path, default_value, flags);
+}
+
+void PrefRegistrySimple::RegisterDictionaryPref(const std::string& path,
+                                                uint32 flags) {
+  RegisterPrefAndNotify(path, new base::DictionaryValue(), flags);
+}
+
+void PrefRegistrySimple::RegisterDictionaryPref(
+    const std::string& path,
+    base::DictionaryValue* default_value,
+    uint32 flags) {
+  RegisterPrefAndNotify(path, default_value, flags);
+}
+
+void PrefRegistrySimple::RegisterInt64Pref(const std::string& path,
+                                           int64 default_value,
+                                           uint32 flags) {
+  RegisterPrefAndNotify(
+      path, new base::StringValue(base::Int64ToString(default_value)), flags);
+}
+
+void PrefRegistrySimple::RegisterUint64Pref(const std::string& path,
+                                            uint64 default_value,
+                                            uint32 flags) {
+  RegisterPrefAndNotify(
+      path, new base::StringValue(base::Uint64ToString(default_value)), flags);
+}
+
+void PrefRegistrySimple::OnPrefRegistered(const std::string& path,
+                                          base::Value* default_value,
+                                          uint32 flags) {
+}
+
+void PrefRegistrySimple::RegisterPrefAndNotify(const std::string& path,
+                                               base::Value* default_value,
+                                               uint32 flags) {
+  RegisterPreference(path, default_value, flags);
+  OnPrefRegistered(path, default_value, flags);
+}