SupportsUserData and manifest handlers for Extension; use them for the Omnibox API.

chrome/browser/extensions/api/omnibox/omnibox_api_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/api/omnibox/omnibox_api_factory.h"
+
+#include "chrome/browser/extensions/api/omnibox/omnibox_api.h"
+#include "chrome/browser/profiles/profile_dependency_manager.h"
+
+namespace extensions {
+
+// static
+OmniboxAPI* OmniboxAPIFactory::GetForProfile(Profile* profile) {
+  return static_cast<OmniboxAPI*>(
+      GetInstance()->GetServiceForProfile(profile, true));
+}
+
+// static
+OmniboxAPIFactory* OmniboxAPIFactory::GetInstance() {
+  return Singleton<OmniboxAPIFactory>::get();
+}
+
+OmniboxAPIFactory::OmniboxAPIFactory()
+    : ProfileKeyedServiceFactory("OmniboxAPI",
+                                 ProfileDependencyManager::GetInstance()) {
+}
+
+OmniboxAPIFactory::~OmniboxAPIFactory() {
+}
+
+ProfileKeyedService* OmniboxAPIFactory::BuildServiceInstanceFor(
+    Profile* profile) const {
+  return new OmniboxAPI(profile);
+}
+
+bool OmniboxAPIFactory::ServiceIsCreatedWithProfile() const {
+  return true;
+}
+
+}  // namespace extensions