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

tools/metrics/histograms/update_bad_message_reasons.py

Index: tools/metrics/histograms/update_bad_message_reasons.py
diff --git a/tools/metrics/histograms/update_bad_message_reasons.py b/tools/metrics/histograms/update_bad_message_reasons.py
index eaf761f6a29d21c709d381335aa2f229e67c937e..01db78f100ae63706e85b3332544db76cd50ddba 100644
--- a/tools/metrics/histograms/update_bad_message_reasons.py
+++ b/tools/metrics/histograms/update_bad_message_reasons.py
@@ -22,11 +22,13 @@ if __name__ == '__main__':
     'chrome/browser/bad_message.h': 'BadMessageReasonChrome',
     'content/browser/bad_message.h': 'BadMessageReasonContent',
     'components/nacl/browser/bad_message.h': 'BadMessageReasonNaCl',
+    'components/password_manager/content/browser/bad_message.h':
+      'BadMessageReasonPasswordManager',
     'extensions/browser/bad_message.h': 'BadMessageReasonExtensions',
   }
 
   for header_file, histogram_name in histograms.items():
     UpdateHistogramEnum(histogram_enum_name=histogram_name,
                         source_enum_path=header_file,
-                        start_marker='^enum BadMessageReason {',
-                        end_marker='^BAD_MESSAGE_MAX')
+                        start_marker='^enum (class )?BadMessageReason {',
+                        end_marker='^BAD_MESSAGE_MAX')