Initial implementation of API WakeLock.

chrome/browser/wake_lock/chrome_wake_lock_permission_context_factory.h

+// Copyright (c) 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.
+
+#ifndef CHROME_BROWSER_WAKE_LOCK_CHROME_WAKE_LOCK_PERMISSION_CONTEXT_FACTORY_H_
+#define CHROME_BROWSER_WAKE_LOCK_CHROME_WAKE_LOCK_PERMISSION_CONTEXT_FACTORY_H_
+
+#include "base/memory/singleton.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+class ChromeWakeLockPermissionContext;
+class Profile;
+
+class ChromeWakeLockPermissionContextFactory
+    : public BrowserContextKeyedServiceFactory {
+ public:
+  static ChromeWakeLockPermissionContext* GetForProfile(Profile* profile);
+
+  static ChromeWakeLockPermissionContextFactory* GetInstance();
+
+ private:
+  friend struct
+      DefaultSingletonTraits<ChromeWakeLockPermissionContextFactory>;
+
+  ChromeWakeLockPermissionContextFactory();
+  virtual ~ChromeWakeLockPermissionContextFactory();
+
+  // BrowserContextKeyedBaseFactory methods:
+  virtual KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* profile) const OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeWakeLockPermissionContextFactory);
+};
+
+#endif  // CHROME_BROWSER_WAKE_LOCK_CHROME_WAKE_LOCK_PERMISSION_CONTEXT_FACTORY_H_