Move PropertyBag to base. Originally this was in chrome\common because only chrome used it. Now t...

content/common/property_bag.cc

-// Copyright (c) 2011 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/memory/linked_ptr.h"
-#include "content/common/property_bag.h"
-
-PropertyBag::PropertyBag() {
-}
-
-PropertyBag::PropertyBag(const PropertyBag& other) {
-  operator=(other);
-}
-
-PropertyBag::~PropertyBag() {
-}
-
-PropertyBag& PropertyBag::operator=(const PropertyBag& other) {
-  props_.clear();
-
-  // We need to make copies of each property using the virtual copy() method.
-  for (PropertyMap::const_iterator i = other.props_.begin();
-       i != other.props_.end(); ++i)
-    props_[i->first] = linked_ptr<Prop>(i->second->copy());
-  return *this;
-}
-
-void PropertyBag::SetProperty(PropID id, Prop* prop) {
-  props_[id] = linked_ptr<Prop>(prop);
-}
-
-PropertyBag::Prop* PropertyBag::GetProperty(PropID id) {
-  PropertyMap::const_iterator found = props_.find(id);
-  if (found == props_.end())
-    return NULL;
-  return found->second.get();
-}
-
-const PropertyBag::Prop* PropertyBag::GetProperty(PropID id) const {
-  PropertyMap::const_iterator found = props_.find(id);
-  if (found == props_.end())
-    return NULL;
-  return found->second.get();
-}
-
-void PropertyBag::DeleteProperty(PropID id) {
-  PropertyMap::iterator found = props_.find(id);
-  if (found == props_.end())
-    return;  // Not found, nothing to do.
-  props_.erase(found);
-}
-
-PropertyAccessorBase::PropertyAccessorBase() {
-  static PropertyBag::PropID next_id = 1;
-  prop_id_ = next_id++;
-}