Move PermissionRequestID to chrome/browser/permissions/.

components/content_settings/core/common/permission_request_id.h

-// Copyright 2013 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 COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_PERMISSION_REQUEST_ID_H_
-#define COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_PERMISSION_REQUEST_ID_H_
-
-#include <string>
-
-#include "url/gurl.h"
-
-// Uniquely identifies a particular permission request.
-class PermissionRequestID {
- public:
-  PermissionRequestID(int render_process_id,
-                      int render_frame_id,
-                      int bridge_id,
-                      const GURL& origin);
-  ~PermissionRequestID();
-
-  int render_process_id() const { return render_process_id_; }
-  int render_frame_id() const { return render_frame_id_; }
-  int bridge_id() const { return bridge_id_; }
-  GURL origin() const { return origin_; }
-
-  bool Equals(const PermissionRequestID& other) const;
-  std::string ToString() const;
-
- private:
-  int render_process_id_;
-  int render_frame_id_;
-  // Id unique to this instance.
-  int bridge_id_;
-  // Needed for permission checks that are based on origin.
-  // If you don't use origin to check permission request, pass an empty GURL.
-  GURL origin_;
-
-  // Purposefully do not disable copying, as this is stored in STL containers.
-};
-
-#endif  // COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_PERMISSION_REQUEST_ID_H_