NaCl: Enable hardware exception handling test on 32-bit Windows

chrome/test/nacl_test_injection/buildbot_nacl_integration.py

Index: chrome/test/nacl_test_injection/buildbot_nacl_integration.py
diff --git a/chrome/test/nacl_test_injection/buildbot_nacl_integration.py b/chrome/test/nacl_test_injection/buildbot_nacl_integration.py
index e571f02bde031456d01df42b5a01a4d2932bbead..a00fc4a54ebf6e7adc8d9a1afd19940680256ce9 100755
--- a/chrome/test/nacl_test_injection/buildbot_nacl_integration.py
+++ b/chrome/test/nacl_test_injection/buildbot_nacl_integration.py
@@ -81,9 +81,11 @@ def Main(args):
     tests_to_disable.append('run_ppapi_ppp_input_event_browser_test')
 
     # TODO(mseaborn): Remove this when exception handling works inside
-    # Chromium on Windows for both x86-32 and x86-64.
+    # Chromium on x86-64 Windows.
     # See http://code.google.com/p/nativeclient/issues/detail?id=2602
-    tests_to_disable.append('run_inbrowser_exception_test')
+    if ('64' in os.environ.get('PROCESSOR_ARCHITECTURE', '') or
+        '64' in os.environ.get('PROCESSOR_ARCHITEW6432', '')):
+      tests_to_disable.append('run_inbrowser_exception_test')
 
   script_dir = os.path.dirname(os.path.abspath(__file__))
   test_dir = os.path.dirname(script_dir)