Breakpad: Add a test for crashes in the browser process

ppapi/native_client/tests/breakpad_crash_test/nacl.scons

 # -*- 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('env')
 
 if env.Bit('host_windows') or env.Bit('host_mac'):
   expected_crash_dumps = 1
 else:
   # We are also checking that crash dumping does not work
   # unexpectedly, since that might indicate that Breakpad was enabled
   # without checking that it works securely.
   expected_crash_dumps = 0
 
 platform_args = []
 if env.Bit('host_windows') and env.Bit('build_x86_64'):
   platform_args.append('--win64')
 
 def GetNexeByName(name):
   return env.File('${STAGING_DIR}/%s${PROGSUFFIX}' %
                   env.ProgramNameForNmf(name))
 
+
+# This tests that crashes in Chromium's browser process successfully
+# produce crash dumps via Breakpad.
+# TODO(mseaborn): Enable this for Linux, too, when Breakpad is
+# compiled into Chromium by default.
+# See http://code.google.com/p/chromium/issues/detail?id=105778
+if env.Bit('host_windows') or env.Bit('host_mac'):
+  node = env.PPAPIBrowserTester(
+      'breakpad_browser_process_crash_test.out',
+      python_tester_script=env.File('crash_dump_tester.py'),
+      browser_flags=['--crash-test'],
+      url='browser_process_crash.html',
+      nmf_names=[],
+      files=[env.File('browser_process_crash.html')],
+      args=platform_args + ['--expect_browser_process_crash',
+                            '--expected_crash_dumps=1',
+                            '--expected_process_type=browser'])
+  env.AddNodeToTestSuite(
+      node, ['chrome_browser_tests'], 'run_breakpad_browser_process_crash_test',
+      is_broken=env.PPAPIBrowserTesterIsBroken() or
+                 env.Bit('running_on_valgrind'))
+
 # This crash in trusted code should produce a crash dump.
 crash_test_url = 'trusted_crash_in_startup.html'
 if env.Bit('pnacl_generate_pexe'):
   crash_test_url += '?is_pnacl=true'
 node = env.PPAPIBrowserTester(
     'breakpad_trusted_crash_in_startup_test.out',
     python_tester_script=env.File('crash_dump_tester.py'),
     url=crash_test_url,
     nmf_names=['crash_test'],
     files=[GetNexeByName('crash_test'),
@@ skipping 30 matching lines @@
     python_tester_script=env.File('crash_dump_tester.py'),
     url='untrusted_crash.html',
     nmf_names=['crash_test'],
     files=[GetNexeByName('crash_test'),
            env.File('untrusted_crash.html')],
     args=platform_args + ['--expected_crash_dumps=0'])
 env.AddNodeToTestSuite(
     node, ['chrome_browser_tests'], 'run_breakpad_untrusted_crash_test',
     is_broken=env.PPAPIBrowserTesterIsBroken() or
                env.Bit('running_on_valgrind'))