Implement a permission check for push.

chrome/browser/services/gcm/gcm_permission_context_factory.cc

+// 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/gcm_permission_context_factory.h"
+
+#include "chrome/browser/profiles/incognito_helpers.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/services/gcm/gcm_permission_context.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+
+namespace gcm {
+// static

[jianli, 2014/06/20 17:19:29]

nit: empty line before this line

[Miguel Garcia, 2014/06/20 20:50:12]

Done.

+GCMPermissionContext* GCMPermissionContextFactory::GetForProfile(
+    Profile* profile) {
+  return static_cast<GCMPermissionContext*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true));
+}
+
+// static
+GCMPermissionContextFactory* GCMPermissionContextFactory::GetInstance() {
+  return Singleton<GCMPermissionContextFactory>::get();
+}
+
+GCMPermissionContextFactory::GCMPermissionContextFactory()
+    : BrowserContextKeyedServiceFactory(
+          "GCMPermissionContext",
+          BrowserContextDependencyManager::GetInstance()) {
+}
+
+GCMPermissionContextFactory::~GCMPermissionContextFactory() {
+}
+
+KeyedService* GCMPermissionContextFactory::BuildServiceInstanceFor(
+    content::BrowserContext* profile) const {
+  return new GCMPermissionContext(static_cast<Profile*>(profile));
+}
+
+content::BrowserContext* GCMPermissionContextFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextOwnInstanceInIncognito(context);
+}
+
+}  // namespace gcm