Initial implementation of API WakeLock.

chrome/browser/wake_lock/chrome_wake_lock_permission_context_factory.cc

+// 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.
+
+#include "chrome/browser/wake_lock/chrome_wake_lock_permission_context_factory.h"
+
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/wake_lock/chrome_wake_lock_permission_context.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+
+namespace {
+
+class Service : public KeyedService {
+ public:
+  explicit Service(Profile* profile) {
+    context_ = new ChromeWakeLockPermissionContext(profile);
+  }
+
+  ChromeWakeLockPermissionContext* context() {
+    return context_.get();
+  }
+
+  virtual void Shutdown() OVERRIDE {
+    context()->ShutdownOnUIThread();
+  }
+
+ private:
+  scoped_refptr<ChromeWakeLockPermissionContext> context_;
+
+  DISALLOW_COPY_AND_ASSIGN(Service);
+};
+
+}  // namespace
+
+// static
+ChromeWakeLockPermissionContext*
+ChromeWakeLockPermissionContextFactory::GetForProfile(Profile* profile) {
+  return static_cast<Service*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true))->context();
+}
+
+// static
+ChromeWakeLockPermissionContextFactory*
+ChromeWakeLockPermissionContextFactory::GetInstance() {
+  return Singleton<ChromeWakeLockPermissionContextFactory>::get();
+}
+
+ChromeWakeLockPermissionContextFactory::
+ChromeWakeLockPermissionContextFactory()
+    : BrowserContextKeyedServiceFactory(
+          "ChromeWakeLockPermissionContext",
+          BrowserContextDependencyManager::GetInstance()) {
+}
+
+ChromeWakeLockPermissionContextFactory::
+~ChromeWakeLockPermissionContextFactory() {
+}
+
+KeyedService*
+ChromeWakeLockPermissionContextFactory::BuildServiceInstanceFor(
+    content::BrowserContext* profile) const {
+  return new Service(static_cast<Profile*>(profile));
+}