Implement a permission check for push.

chrome/browser/services/gcm/push_messaging_permission_context_factory.cc

Index: chrome/browser/services/gcm/push_messaging_permission_context_factory.cc
diff --git a/chrome/browser/services/gcm/push_messaging_permission_context_factory.cc b/chrome/browser/services/gcm/push_messaging_permission_context_factory.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d60297f41bed179771ed515398bb2c7f8948c74b
--- /dev/null
+++ b/chrome/browser/services/gcm/push_messaging_permission_context_factory.cc
@@ -0,0 +1,49 @@
+// Copyright 2014 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/services/gcm/push_messaging_permission_context_factory.h"
+
+#include "chrome/browser/profiles/incognito_helpers.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/services/gcm/push_messaging_permission_context.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+
+namespace gcm {
+
+// static
+PushMessagingPermissionContext*
+PushMessagingPermissionContextFactory::GetForProfile(
+    Profile* profile) {
+  return static_cast<PushMessagingPermissionContext*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true));
+}
+
+// static
+PushMessagingPermissionContextFactory*
+PushMessagingPermissionContextFactory::GetInstance() {
+  return Singleton<PushMessagingPermissionContextFactory>::get();
+}
+
+PushMessagingPermissionContextFactory::PushMessagingPermissionContextFactory()
+    : BrowserContextKeyedServiceFactory(
+          "GCMPermissionContext",
+          BrowserContextDependencyManager::GetInstance()) {
+}
+
+PushMessagingPermissionContextFactory
+::~PushMessagingPermissionContextFactory() {
+}
+
+KeyedService* PushMessagingPermissionContextFactory::BuildServiceInstanceFor(
+    content::BrowserContext* profile) const {
+  return new PushMessagingPermissionContext(static_cast<Profile*>(profile));
+}
+
+content::BrowserContext*
+PushMessagingPermissionContextFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextOwnInstanceInIncognito(context);
+}
+
+}  // namespace gcm