Create a ProfileDependencyManager to order ProfileKeyedService destruction.

chrome/browser/profiles/profile_keyed_service_factory.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 "chrome/browser/profiles/profile_keyed_service_factory.h"
+
+#include <vector>
+
+#include "base/memory/singleton.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_dependency_manager.h"
+#include "chrome/browser/profiles/profile_keyed_service.h"
+#include "content/common/notification_observer.h"
+#include "content/common/notification_service.h"
+#include "content/common/notification_registrar.h"

[Miranda Callahan, 2011/03/29 19:07:04]

alphabetter

+
+ProfileKeyedServiceFactory::ProfileKeyedServiceFactory(
+    ProfileDependencyManager* manager)
+    : dependency_manager_(manager) {
+  dependency_manager_->AddComponent(this);
+}
+
+ProfileKeyedServiceFactory::~ProfileKeyedServiceFactory() {
+  dependency_manager_->RemoveComponent(this);
+  DCHECK(mapping_.empty());
+}
+
+ProfileKeyedService* ProfileKeyedServiceFactory::GetServiceForProfile(
+    Profile* profile) {
+  // Possibly handle Incognito mode.
+  if (profile->IsOffTheRecord()) {
+    if (ServiceRedirectedInIncognito()) {
+      profile = profile->GetOriginalProfile();
+    } else if (ServiceHasOwnInstanceInIncognito()) {
+      // No-op; the pointers are already set correctly.
+    } else {
+      return NULL;
+    }
+  }
+
+  std::map<Profile*, ProfileKeyedService*>::iterator it =
+      mapping_.find(profile);
+  if (it != mapping_.end())
+    return it->second;
+
+  ProfileKeyedService* service = BuildServiceInstanceFor(profile);
+  Associate(profile, service);
+  return service;
+}
+
+void ProfileKeyedServiceFactory::DependsOn(ProfileKeyedServiceFactory* rhs) {
+  dependency_manager_->AddEdge(rhs, this);
+}
+
+void ProfileKeyedServiceFactory::Associate(Profile* profile,
+                                           ProfileKeyedService* service) {
+  DCHECK(mapping_.find(profile) == mapping_.end());
+  mapping_.insert(std::make_pair(profile, service));
+}
+
+bool ProfileKeyedServiceFactory::ServiceRedirectedInIncognito() {
+  return false;
+}
+
+bool ProfileKeyedServiceFactory::ServiceHasOwnInstanceInIncognito() {
+  return false;
+}
+
+void ProfileKeyedServiceFactory::ProfileShutdown(Profile* profile) {
+  std::map<Profile*, ProfileKeyedService*>::iterator it =
+      mapping_.find(profile);
+  if (it != mapping_.end())
+    it->second->Shutdown();
+}
+
+void ProfileKeyedServiceFactory::ProfileDestroyed(Profile* profile) {
+  std::map<Profile*, ProfileKeyedService*>::iterator it =
+      mapping_.find(profile);
+  if (it != mapping_.end()) {
+    delete it->second;
+    mapping_.erase(it);
+  }
+}