Move remaining non-test, non-Chrome-specific Prefs code to base/prefs/.

chrome/browser/prefs/pref_registry.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/pref_registry.h"
-
-#include "base/logging.h"
-#include "base/prefs/default_pref_store.h"
-#include "base/prefs/pref_store.h"
-#include "base/values.h"
-
-PrefRegistry::PrefRegistry()
-    : defaults_(new DefaultPrefStore()) {
-}
-
-PrefRegistry::~PrefRegistry() {
-}
-
-scoped_refptr<PrefStore> PrefRegistry::defaults() {
-  return defaults_.get();
-}
-
-PrefRegistry::const_iterator PrefRegistry::begin() const {
-  return defaults_->begin();
-}
-
-PrefRegistry::const_iterator PrefRegistry::end() const {
-  return defaults_->end();
-}
-
-void PrefRegistry::SetRegistrationCallback(
-    const RegistrationCallback& callback) {
-  registration_callback_ = callback;
-}
-
-void PrefRegistry::SetUnregistrationCallback(
-    const UnregistrationCallback& callback) {
-  unregistration_callback_ = callback;
-}
-
-void PrefRegistry::DeprecatedUnregisterPreference(const char* path) {
-  DCHECK(defaults_->GetValue(path, NULL)) <<
-      "Trying to unregister an unregistered pref: " << path;
-
-  defaults_->RemoveDefaultValue(path);
-
-  if (!unregistration_callback_.is_null())
-    unregistration_callback_.Run(path);
-}
-
-void PrefRegistry::RegisterPreference(const char* path,
-                                      base::Value* default_value) {
-  base::Value::Type orig_type = default_value->GetType();
-  DCHECK(orig_type != base::Value::TYPE_NULL &&
-         orig_type != base::Value::TYPE_BINARY) <<
-         "invalid preference type: " << orig_type;
-  DCHECK(!defaults_->GetValue(path, NULL)) <<
-      "Trying to register a previously registered pref: " << path;
-
-  defaults_->SetDefaultValue(path, default_value);
-
-  if (!registration_callback_.is_null())
-    registration_callback_.Run(path, default_value);
-}