Refactor Permissions related method out of ContentBrowserClient.

chrome/browser/permissions/permission_manager.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_H_
+#define CHROME_BROWSER_PERMISSIONS_PERMISSION_MANAGER_H_
+
+#include "base/callback_forward.h"
+#include "base/macros.h"
+#include "components/keyed_service/core/keyed_service.h"
+#include "content/public/browser/permission_manager.h"
+
+class Profile;
+
+namespace content {
+enum class PermissionType;
+};  // namespace content
+
+class PermissionManager : public KeyedService,
+                          public content::PermissionManager {
+ public:
+  explicit PermissionManager(Profile* profile);
+  ~PermissionManager() override;
+
+  // content::PermissionManager implementation.
+  void RequestPermission(
+      content::PermissionType permission,
+      content::WebContents* web_contents,
+      int request_id,
+      const GURL& requesting_origin,
+      bool user_gesture,
+      const base::Callback<void(content::PermissionStatus)>& callback) override;
+  void CancelPermissionRequest(content::PermissionType permission,
+                               content::WebContents* web_contents,
+                               int request_id,
+                               const GURL& requesting_origin) override;
+  void ResetPermission(content::PermissionType permission,
+                       const GURL& requesting_origin,
+                       const GURL& embedding_origin) override;
+  content::PermissionStatus GetPermissionStatus(
+      content::PermissionType permission,
+      const GURL& requesting_origin,
+      const GURL& embedding_origin) override;
+  void RegisterPermissionUsage(content::PermissionType permission,
+                               const GURL& requesting_origin,
+                               const GURL& embedding_origin) override;
+
+ private:
+  Profile* profile_;
+
+  DISALLOW_COPY_AND_ASSIGN(PermissionManager);
+};
+
+#endif // CHROME_BROWSER_PERMISSIONS_PERMISSION_MANAGER_H_