Move the bits of Prefs where production code has only trivially easy

chrome/browser/prefs/value_map_pref_store.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 "chrome/browser/prefs/value_map_pref_store.h"
-
-#include <algorithm>
-
-#include "base/stl_util.h"
-#include "base/values.h"
-
-ValueMapPrefStore::ValueMapPrefStore() {}
-
-PrefStore::ReadResult ValueMapPrefStore::GetValue(const std::string& key,
-                                                  const Value** value) const {
-  return prefs_.GetValue(key, value) ? READ_OK : READ_NO_VALUE;
-}
-
-void ValueMapPrefStore::AddObserver(PrefStore::Observer* observer) {
-  observers_.AddObserver(observer);
-}
-
-void ValueMapPrefStore::RemoveObserver(PrefStore::Observer* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-size_t ValueMapPrefStore::NumberOfObservers() const {
-  return observers_.size();
-}
-
-ValueMapPrefStore::iterator ValueMapPrefStore::begin() {
-  return prefs_.begin();
-}
-
-ValueMapPrefStore::iterator ValueMapPrefStore::end() {
-  return prefs_.end();
-}
-
-ValueMapPrefStore::const_iterator ValueMapPrefStore::begin() const {
-  return prefs_.begin();
-}
-
-ValueMapPrefStore::const_iterator ValueMapPrefStore::end() const {
-  return prefs_.end();
-}
-
-ValueMapPrefStore::~ValueMapPrefStore() {}
-
-void ValueMapPrefStore::SetValue(const std::string& key, Value* value) {
-  if (prefs_.SetValue(key, value))
-    FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
-}
-
-void ValueMapPrefStore::RemoveValue(const std::string& key) {
-  if (prefs_.RemoveValue(key))
-    FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
-}
-
-void ValueMapPrefStore::NotifyInitializationCompleted() {
-  FOR_EACH_OBSERVER(Observer, observers_, OnInitializationCompleted(true));
-}