Landing chrome side of nacl change pre-dating ppapi switch.

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

 # -*- python -*-
 # Copyright (c) 2011 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # This test uses ppapi_test_lib.
 
 Import('env')
 
 env.Prepend(CPPDEFINES=['XP_UNIX'])
+env.Replace(TEST_DIR='${SOURCE_ROOT}/ppapi/native_client/tests/ppapi_browser/' +
+                     'ppb_instance')
 
 nexe = 'ppapi_ppb_instance_%s' % env.get('TARGET_FULLARCH')
 env.Alias('ppapi_ppb_instance${PROGSUFFIX}', ['$STAGING_DIR/%s${PROGSUFFIX}' % nexe])
 
 env.ComponentProgram(
     nexe,
     ['ppapi_ppb_instance.cc'],
     EXTRA_LIBS=['${PPAPI_LIBS}',
                 'ppapi_test_lib',
                 'pthread',
                 'platform',
                 'gio'])
 
 # Note that the html is required to run this program.
 env.Publish(nexe, 'run',
             ['ppapi_ppb_instance.html',
-             'ppapi_ppb_instance.nmf',
              env.File('${SCONSTRUCT_DIR}/tools/browser_tester/'
                       'browserdata/nacltest.js')])
 
 node = env.PPAPIBrowserTester('ppapi_ppb_instance_browser_test.out',
                               url='ppapi_ppb_instance.html',
+                              nmf='${TEST_DIR}/ppapi_ppb_instance.nmf',
                               files=env.ExtractPublishedFiles(nexe))
 
 env.AddNodeToTestSuite(node,
                        ['chrome_browser_tests'],
                        'run_ppapi_ppb_instance_browser_test',
                        is_broken=env.PPAPIBrowserTesterIsBroken())