Make ExtensionPrefValueMap a ProfileKeyedService.

chrome/browser/extensions/extension_pref_value_map_factory.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/extensions/extension_pref_value_map_factory.h"
+
+#include "chrome/browser/extensions/extension_pref_value_map.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_dependency_manager.h"
+
+ExtensionPrefValueMapFactory::ExtensionPrefValueMapFactory()
+    : ProfileKeyedServiceFactory(
+        "ExtensionPrefValueMap",
+        ProfileDependencyManager::GetInstance()) {
+}
+
+ExtensionPrefValueMapFactory::~ExtensionPrefValueMapFactory() {
+}
+
+// static
+ExtensionPrefValueMap* ExtensionPrefValueMapFactory::GetForProfile(
+    Profile* profile) {
+  return static_cast<ExtensionPrefValueMap*>(
+      GetInstance()->GetServiceForProfile(profile, true));
+}
+
+// static
+ExtensionPrefValueMapFactory* ExtensionPrefValueMapFactory::GetInstance() {
+  return Singleton<ExtensionPrefValueMapFactory>::get();
+}
+
+ProfileKeyedService* ExtensionPrefValueMapFactory::BuildServiceInstanceFor(
+    Profile* profile) const {
+  return new ExtensionPrefValueMap();
+}