Refactor Permissions related method out of ContentBrowserClient.

chrome/browser/permissions/permission_manager_factory.h

+// 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.
+
+#ifndef CHROME_BROWSER_PERMISSIONS_PERMISSION_MANAGER_FACTORY_H_
+#define CHROME_BROWSER_PERMISSIONS_PERMISSION_MANAGER_FACTORY_H_
+
+#include "base/memory/singleton.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+namespace content {
+class BrowserContext;
+}
+
+class PermissionManager;
+class Profile;
+
+class PermissionManagerFactory : public BrowserContextKeyedServiceFactory {
+ public:
+  static PermissionManager* GetForProfile(Profile* profile);
+  static PermissionManagerFactory* GetInstance();
+
+ private:
+  friend struct DefaultSingletonTraits<PermissionManagerFactory>;
+
+  PermissionManagerFactory();
+  ~PermissionManagerFactory() override;
+
+  // BrowserContextKeyedBaseFactory methods:
+  KeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* profile) const override;
+  content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const override;
+
+  DISALLOW_COPY_AND_ASSIGN(PermissionManagerFactory);
+};
+
+#endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_MANAGER_FACTORY_H_