Introduce GeolocationPermissionRequestID, a wrapper struct to contain the (render process ID, rende…

chrome/browser/geolocation/geolocation_permission_request_id.h

+// Copyright (c) 2012 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_GEOLOCATION_GEOLOCATION_PERMISSION_REQUEST_ID_H_
+#define CHROME_BROWSER_GEOLOCATION_GEOLOCATION_PERMISSION_REQUEST_ID_H_
+
+#include <string>
+
+// Uniquely identifies a particular geolocation permission request.
+class GeolocationPermissionRequestID {
+ public:
+  GeolocationPermissionRequestID(int render_process_id,
+                                 int render_view_id,
+                                 int bridge_id);
+  ~GeolocationPermissionRequestID();
+
+  int render_process_id() const { return render_process_id_; }
+  int render_view_id() const { return render_view_id_; }
+  int bridge_id() const { return bridge_id_; }
+
+  bool Equals(const GeolocationPermissionRequestID& other) const;
+  bool IsForSameTabAs(const GeolocationPermissionRequestID& other) const;
+  std::string ToString() const;
+
+ private:
+  int render_process_id_;
+  int render_view_id_;
+  int bridge_id_;
+
+  // Purposefully do not disable copying, as this is stored in STL containers.
+};
+
+#endif  // CHROME_BROWSER_GEOLOCATION_GEOLOCATION_PERMISSION_REQUEST_ID_H_