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// 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. Also update histograms.xml with any new values.
enum BadMessageReason {
EOG_BAD_ORIGIN = 0,
EVG_BAD_ORIGIN = 1,
BH_BLOB_NOT_OWNED = 2,
EH_BAD_EVENT_ID = 3,
// Please add new elements here. The naming convention is abbreviated class
// name (e.g. ExtensionHost becomes EH) plus a unique description of the
// reason.
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);
} // bad_message
} // namespace extensions
#endif // EXTENSIONS_BROWSER_BAD_MESSAGE_H_
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