Get rid of assumptions about ".nexe" extension.

tests/ppapi_browser/progress_events/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.
 
 Import('env')
 
 # TODO(robertm): those should not be necessary once we go -std=c99
 env.FilterOut(CFLAGS=['-pedantic'])
 env.FilterOut(CCFLAGS=['-pedantic'])
 
 progress_events_sources = env.ComponentObject('ppapi_progress_events.cc'),
 
-progress_events_target = ('ppapi_progress_events_%s.nexe' %
+progress_events_target = ('ppapi_progress_events_%s' %
                           env.get('TARGET_FULLARCH'))
 env.ComponentProgram(progress_events_target,
                      [progress_events_sources],
                      EXTRA_LIBS=['${PPAPI_LIBS}',
                                  'ppapi_test_lib',
                                  'pthread',
                                  'platform',
                                  'gio'])
 
 # Needed by other tests using progress events.
 env.Publish(progress_events_target, 'run', [
     'ppapi_progress_events.html',
     'ppapi_progress_events.nmf',
     ('${SCONSTRUCT_DIR}/tests/ppapi_browser/progress_events/' +
      'ppapi_progress_events.js'),
     '${SCONSTRUCT_DIR}/tools/browser_tester/browserdata/nacltest.js',
 ])
 
 node = env.PPAPIBrowserTester(
     'ppapi_progress_events_browser_test.out',
     url='ppapi_progress_events.html',
     files=env.ExtractPublishedFiles(progress_events_target),
     args=['--enable_experimental_js'])
 
 env.AddNodeToTestSuite(node,
                        ['chrome_browser_tests'],
                        'run_ppapi_progress_events_browser_test',
                        is_broken=env.PPAPIBrowserTesterIsBroken())