| // 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 EXTENSIONS_BROWSER_BAD_MESSAGE_H_ |
| #define EXTENSIONS_BROWSER_BAD_MESSAGE_H_ |
| |
| namespace content { |
| class RenderProcessHost; |
| } |
| |
| namespace extensions { |
| namespace bad_message { |
| |
| // The browser process often chooses to terminate a renderer if it receives |
| // a bad IPC message. The reasons are tracked for metrics. |
| // |
| // See also content/browser/bad_message.h. |
| // |
| // NOTE: Do not remove or reorder elements in this list. Add new entries at the |
| // end. Items may be renamed but do not change the values. We rely on the enum |
| // values in histograms. |
| enum BadMessageReason { |
| EOG_BAD_ORIGIN = 0, |
| EVG_BAD_ORIGIN = 1, |
| BH_BLOB_NOT_OWNED = 2, |
| EH_BAD_EVENT_ID = 3, |
| AVG_BAD_INST_ID = 4, |
| AVG_BAD_EXT_ID = 5, |
| AVG_NULL_AVG = 6, |
| // Please add new elements here. The naming convention is abbreviated class |
| // name (e.g. ExtensionHost becomes EH) plus a unique description of the |
| // reason. After making changes, you MUST update histograms.xml by running: |
| // "python tools/metrics/histograms/update_bad_message_reasons.py" |
| BAD_MESSAGE_MAX |
| }; |
| |
| // Called when the browser receives a bad IPC message from an extension process. |
| // Logs the event, records a histogram metric for the |reason|, and terminates |
| // the process for |host|. |
| void ReceivedBadMessage(content::RenderProcessHost* host, |
| BadMessageReason reason); |
| |
| } // namespace bad_message |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_BROWSER_BAD_MESSAGE_H_ |