NaCl: Re-enable the "inbrowser_test_runner" test suite

This suite runs a number of important tests, including for dynamic
code loading and untrusted fault/exception handling.

inbrowser_test_runner was accidentally disabled in NaCl revision
r9589.

BUG=162037
TEST=nacl_integration

Review URL: https://codereview.chromium.org/11414250

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@172416 0039d316-1c4b-4281-b951-d872f2087c98

ppapi/native_client/chrome_main.scons

@@ -37,7 +37,6 @@ ppapi_scons_files['untrusted_irt_scons_files'] = []
 ppapi_scons_files['nonvariant_test_scons_files'] = [
     'tests/breakpad_crash_test/nacl.scons',
     'tests/nacl_browser/browser_dynamic_library/nacl.scons',
-    'tests/nacl_browser/inbrowser_test_runner/nacl.scons',
     'tests/nacl_browser/manifest_file/nacl.scons',
     'tests/nacl_browser/nameservice/nacl.scons',
     'tests/nacl_browser/postmessage_redir/nacl.scons',
@@ -51,6 +50,9 @@ ppapi_scons_files['nonvariant_test_scons_files'] = [
 ]
 
 ppapi_scons_files['irt_variant_test_scons_files'] = [
+    # 'inbrowser_test_runner' must be in the irt_variant list
+    # otherwise it will run no tests.
+    'tests/nacl_browser/inbrowser_test_runner/nacl.scons',
     # Disabled by Brad Chen 4 Sep to try to green Chromium
     # nacl_integration tests
     #'tests/nacl_browser/fault_injection/nacl.scons',