Disable ppapi_bad test for glibc on Windows.

ppapi/native_client/tests/ppapi_browser/bad/nacl.scons

Index: ppapi/native_client/tests/ppapi_browser/bad/nacl.scons
diff --git a/ppapi/native_client/tests/ppapi_browser/bad/nacl.scons b/ppapi/native_client/tests/ppapi_browser/bad/nacl.scons
index 36da0ab2fe6d382dace522edca40be635bd52638..e99ff4be035dc36013825e166902108a0fb90d4e 100644
--- a/ppapi/native_client/tests/ppapi_browser/bad/nacl.scons
+++ b/ppapi/native_client/tests/ppapi_browser/bad/nacl.scons
@@ -65,10 +65,13 @@ node = env.PPAPIBrowserTester(
     files=[env.File(f) for f in ppapi_bad_files],
     args=['--allow_404'])
 
+# This test is timing out with glibc on Windows 7:
+#   http://code.google.com/p/nativeclient/issues/detail?id=2191
 env.AddNodeToTestSuite(node,
                        ['chrome_browser_tests'],
                        'run_ppapi_bad_browser_test',
-                       is_broken=env.PPAPIBrowserTesterIsBroken())
+                       is_broken=env.PPAPIBrowserTesterIsBroken() or
+                                 (env.Bit('nacl_glibc') and env.Bit('windows')))
 
 
 # Bad nexe tests that won't work in PNaCl (native)