Breakpad: Add a test for crashes in the browser process

ppapi/native_client/tools/browser_tester/browser_tester.py

 #!/usr/bin/python
 # Copyright (c) 2012 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.
 
 import glob
 import optparse
 import os.path
 import socket
 import sys
@@ skipping 113 matching lines @@
                     help='Enable/disable PPAPI Dev interfaces while testing.')
   parser.add_option('--nacl_exe_stdin', dest='nacl_exe_stdin',
                     type='string', default=None,
                     help='Redirect standard input of NaCl executable.')
   parser.add_option('--nacl_exe_stdout', dest='nacl_exe_stdout',
                     type='string', default=None,
                     help='Redirect standard output of NaCl executable.')
   parser.add_option('--nacl_exe_stderr', dest='nacl_exe_stderr',
                     type='string', default=None,
                     help='Redirect standard error of NaCl executable.')
+  parser.add_option('--expect_browser_process_crash',
+                    dest='expect_browser_process_crash',
+                    action='store_true',
+                    help='Do not signal a failure if the browser process '
+                    'crashes')
 
   return parser
 
 
 def ProcessToolLogs(options, logs_dir):
   if options.tool == 'memcheck':
     analyzer = memcheck_analyze.MemcheckAnalyzer('', use_gdb=True)
     logs_wildcard = 'xml.*'
   elif options.tool == 'tsan':
     analyzer = tsan_analyze.TsanAnalyzer('', use_gdb=True)
@@ skipping 100 matching lines @@
 
   tool_failed = False
   time_started = time.time()
 
   def HardTimeout(total_time):
     return total_time >= 0.0 and time.time() - time_started >= total_time
 
   try:
     while server.test_in_progress or options.interactive:
       if not browser.IsRunning():
+        if options.expect_browser_process_crash:
+          break
         listener.ServerError('Browser process ended during test '
                              '(return code %r)' % browser.GetReturnCode())
         # If Chrome exits prematurely without making a single request to the
         # web server, this is probally a Chrome crash-on-launch bug not related
         # to the test at hand.  Retry, unless we're in interactive mode.  In
         # interactive mode the user may manually close the browser, so don't
         # retry (it would just be annoying.)
         if not server.received_request and not options.interactive:
           raise RetryTest('Chrome failed to launch.')
         else:
@@ skipping 78 matching lines @@
   # Validate the URL
   url = options.url
   if url is None:
     parser.error('Must specify a URL')
 
   return Run(url, options)
 
 
 if __name__ == '__main__':
   sys.exit(RunFromCommandLine())