Add KeyedServiceShutdownNotifier for classes that depend on keyed services but can't be keyed servi…

components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.cc

Index: components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.cc
diff --git a/components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.cc b/components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5a75b5afcf6a1b5335ec3362018ca37d60a8788c
--- /dev/null
+++ b/components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.cc
@@ -0,0 +1,37 @@
+// Copyright 2015 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 "components/keyed_service/content/browser_context_keyed_service_shutdown_notifier_factory.h"
+
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+#include "components/keyed_service/core/keyed_service_shutdown_notifier.h"
+
+BrowserContextKeyedServiceShutdownNotifierFactory::
+    BrowserContextKeyedServiceShutdownNotifierFactory(const char* name)
+    : BrowserContextKeyedServiceFactory(
+          name,
+          BrowserContextDependencyManager::GetInstance()) {
+}
+BrowserContextKeyedServiceShutdownNotifierFactory::
+    ~BrowserContextKeyedServiceShutdownNotifierFactory() {
+}
+
+KeyedServiceShutdownNotifier*
+BrowserContextKeyedServiceShutdownNotifierFactory::Get(
+    content::BrowserContext* context) {
+  return static_cast<KeyedServiceShutdownNotifier*>(
+      GetServiceForBrowserContext(context, true));
+}
+
+KeyedService*
+BrowserContextKeyedServiceShutdownNotifierFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  return new KeyedServiceShutdownNotifier;
+}
+
+content::BrowserContext*
+BrowserContextKeyedServiceShutdownNotifierFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return context;
+}