Kill renderers for bad password forms in --site-per-process.

components/password_manager/content/browser/bad_message.h

 // 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 CHROME_BROWSER_BAD_MESSAGE_H_
-#define CHROME_BROWSER_BAD_MESSAGE_H_
+#ifndef COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_BAD_MESSAGE_H_
+#define COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_BAD_MESSAGE_H_
 
 namespace content {
-class BrowserMessageFilter;
 class RenderProcessHost;
 }
 
+namespace password_manager {
 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 by
 // running:
 //    python tools/metrics/histograms/update_bad_message_reasons.py
-enum BadMessageReason {
-  WRLHH_LOGGING_STOPPED_BAD_STATE = 0,
+enum class BadMessageReason {

[ncarter (slow), 2015/07/09 21:47:30]

Since it's an enum class now (which provides a namespace-like scope), I'd be
fine moving BadMessageReason out of the bad_message namespace.

[lfg, 2015/07/16 17:01:11]

Done.

+  CPMD_BAD_ORIGIN_FORMS_PARSED = 1,
+  CPMD_BAD_ORIGIN_FORMS_RENDERED = 2,
+  CPMD_BAD_ORIGIN_FORM_SUBMITTED = 3,
+  CPMD_BAD_ORIGIN_FOCUSED_PASSWORD_FORM_FOUND = 4,
+  CPMD_BAD_ORIGIN_IN_PAGE_NAVIGATION = 5,
+  CPMD_BAD_ORIGIN_PASSWORD_NO_LONGER_GENERATED = 6,
 
   // Please add new elements here. The naming convention is abbreviated class
-  // name (e.g. RenderFrameHost becomes RFH) plus a unique description of the
-  // reason.
+  // name (e.g. ContentPasswordManagerDriver becomes CPMD) plus a unique
+  // description of the reason.
   BAD_MESSAGE_MAX
 };
 
 // Called when the browser receives a bad IPC message from a renderer process on
 // the UI thread. Logs the event, records a histogram metric for the |reason|,
 // and terminates the process for |host|.
 void ReceivedBadMessage(content::RenderProcessHost* host,
                         BadMessageReason reason);
 
-// Called when a browser message filter receives a bad IPC message from a
-// renderer or other child process. Logs the event, records a histogram metric
-// for the |reason|, and terminates the process for |filter|.
-void ReceivedBadMessage(content::BrowserMessageFilter* filter,
-                        BadMessageReason reason);
+}  // namespace bad_message
+}  // namespace password_manager
 
-}  // namespace bad_message
-
-#endif  // CHROME_BROWSER_BAD_MESSAGE_H_
+#endif  // COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_BAD_MESSAGE_H_