Introduce bad_message.h for chrome and NaCl.

chrome/browser/bad_message.cc

Index: chrome/browser/bad_message.cc
diff --git a/chrome/browser/bad_message.cc b/chrome/browser/bad_message.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b87c4ab23a83880dcfea78887fba85cb18a39c48
--- /dev/null
+++ b/chrome/browser/bad_message.cc
@@ -0,0 +1,38 @@
+// 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.
+
+#include "chrome/browser/bad_message.h"
+
+#include "base/logging.h"
+#include "base/metrics/histogram_macros.h"
+#include "content/public/browser/browser_message_filter.h"
+#include "content/public/browser/render_process_host.h"
+
+namespace chrome {
+namespace bad_message {
+
+namespace {
+
+void LogBadMessage(BadMessageReason reason) {
+  LOG(ERROR) << "Terminating renderer for bad IPC message, reason " << reason;
+  UMA_HISTOGRAM_ENUMERATION("Stability.BadMessageTerminated.Chrome", reason,
+                            BAD_MESSAGE_MAX);
+}
+
+}  // namespace
+
+void ReceivedBadMessage(content::RenderProcessHost* host,
+                        BadMessageReason reason) {
+  LogBadMessage(reason);
+  host->ShutdownForBadMessage();
+}
+
+void ReceivedBadMessage(content::BrowserMessageFilter* filter,
+                        BadMessageReason reason) {
+  LogBadMessage(reason);
+  filter->ShutdownForBadMessage();
+}
+
+}  // namespace bad_message
+}  // namespace chrome