Revert 152413 - NaCl: Disable Breakpad tests on 32-bit Windows because they are flaky

chrome/test/nacl_test_injection/buildbot_nacl_integration.py

Index: chrome/test/nacl_test_injection/buildbot_nacl_integration.py
===================================================================
--- chrome/test/nacl_test_injection/buildbot_nacl_integration.py	(revision 152421)
+++ chrome/test/nacl_test_injection/buildbot_nacl_integration.py	(working copy)
@@ -12,12 +12,6 @@
   pwd = os.environ.get('PWD', '')
   is_integration_bot = 'nacl-chrome' in pwd
 
-  # This environment variable check mimics what
-  # buildbot_chrome_nacl_stage.py does.
-  is_win64 = (sys.platform in ('win32', 'cygwin') and
-              ('64' in os.environ.get('PROCESSOR_ARCHITECTURE', '') or
-               '64' in os.environ.get('PROCESSOR_ARCHITEW6432', '')))
-
   # On the main Chrome waterfall, we may need to control where the tests are
   # run.
   # If there is serious skew in the PPAPI interface that causes all of
@@ -66,18 +60,6 @@
       # See http://crbug.com/132395
       tests_to_disable.append('run_inbrowser_test_runner')
 
-    if sys.platform in ('win32', 'cygwin') and not is_win64:
-      # The Breakpad tests have started failing on 32-bit Windows (but
-      # not 64-bit Windows) because Chromium is producing an excess
-      # crash dump.
-      # See http://code.google.com/p/chromium/issues/detail?id=143413
-      # TODO(mseaborn): Change the tests to ignore the excess crash
-      # dump until we find out what is causing it.
-      tests_to_disable.extends([
-          'run_inbrowser_trusted_crash_in_startup_test',
-          'run_inbrowser_crash_in_syscall_test',
-          'run_inbrowser_untrusted_crash_test',
-          ])
 
   if sys.platform in ('win32', 'cygwin'):
     tests_to_disable.append('run_ppapi_ppp_input_event_browser_test')