Refactor Permissions related method out of ContentBrowserClient.

content/public/browser/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 CONTENT_PUBLIC_BROWSER_PERMISSION_MANAGER_H_
+#define CONTENT_PUBLIC_BROWSER_PERMISSION_MANAGER_H_
+
+#include "content/common/content_export.h"
+#include "content/public/common/permission_status.mojom.h"
+
+class GURL;
+
+namespace content {
+enum class PermissionType;
+class WebContents;
+
+class CONTENT_EXPORT PermissionManager {
+ public:
+  virtual ~PermissionManager() = default;
+
+  virtual void RequestPermission(
+      PermissionType permission,
+      WebContents* web_contents,
+      int request_id,
+      const GURL& requesting_origin,
+      bool user_gesture,
+      const base::Callback<void(PermissionStatus)>& callback) = 0;
+
+  virtual void CancelPermissionRequest(PermissionType permission,
+                                       WebContents* web_contents,
+                                       int request_id,
+                                       const GURL& requesting_origin) = 0;
+
+  virtual PermissionStatus GetPermissionStatus(
+      PermissionType permission,
+      const GURL& requesting_origin,
+      const GURL& embedding_origin) = 0;
+
+  virtual void ResetPermission(PermissionType permission,
+                               const GURL& requesting_origin,
+                               const GURL& embedding_origin) = 0;
+
+  virtual void RegisterPermissionUsage(PermissionType permission,
+                                       const GURL& requesting_origin,
+                                       const GURL& embedding_origin) = 0;
+};
+
+}  // namespace content
+
+#endif // CONTENT_PUBLIC_BROWSER_PERMISSION_MANAGER_H_