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

components/password_manager/content/browser/bad_message.h

Index: components/password_manager/content/browser/bad_message.h
diff --git a/chrome/browser/bad_message.h b/components/password_manager/content/browser/bad_message.h
similarity index 55%
copy from chrome/browser/bad_message.h
copy to components/password_manager/content/browser/bad_message.h
index 3bdd0d2b3293dfaad4c79ca224b3b43e592c2024..641ca0ed43d3e04367187cf27c90faa6098fdbc8 100644
--- a/chrome/browser/bad_message.h
+++ b/components/password_manager/content/browser/bad_message.h
@@ -2,16 +2,14 @@
 // 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 bad_message {
-
+namespace password_manager {
 // The browser process often chooses to terminate a renderer if it receives
 // a bad IPC message. The reasons are tracked for metrics.
 //
@@ -19,29 +17,31 @@ namespace bad_message {
 //
 // 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 {
-  WRLHH_LOGGING_STOPPED_BAD_STATE = 0,
+// values in histograms. Also update histograms.xml with any new values by
+// running:
+//    python tools/metrics/histograms/update_bad_message_reasons.py
+enum class BadMessageReason {
+  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. After making changes, you MUST update histograms.xml by running:
-  // "python tools/metrics/histograms/update_bad_message_reasons.py"
+  // name (e.g. ContentPasswordManagerDriver becomes CPMD) plus a unique
+  // description of the reason.
   BAD_MESSAGE_MAX
 };
 
+namespace bad_message {
 // 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
 
-#endif  // CHROME_BROWSER_BAD_MESSAGE_H_
+#endif  // COMPONENTS_PASSWORD_MANAGER_CONTENT_BROWSER_BAD_MESSAGE_H_