Scons: Drop the uses_ppapi argument from CommandSelLdrTestNacl()

SConstruct

 #! -*- python -*-
 # Copyright (c) 2012 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 atexit
 import os
 import platform
 import subprocess
 import sys
@@ skipping 1428 matching lines @@
 
 
 def CommandSelLdrTestNacl(env, name, nexe,
                           args = None,
                           log_verbosity=2,
                           sel_ldr_flags=None,
                           loader=None,
                           size='medium',
                           # True for *.nexe statically linked with glibc
                           glibc_static=False,
-                          uses_ppapi=False,
                           skip_bootstrap=False,
                           wrapper_program_prefix=None,
                           # e.g., [ 'python', 'time_check.py', '--' ]
                           **extra):
   # Disable all sel_ldr tests for windows under coverage.
   # Currently several .S files block sel_ldr from being instrumented.
   # See http://code.google.com/p/nativeclient/issues/detail?id=831
   if ('TRUSTED_ENV' in env and
       env['TRUSTED_ENV'].Bit('coverage_enabled') and
       env['TRUSTED_ENV'].Bit('windows')):
@@ skipping 40 matching lines @@
   # line for those cases.
   if env.Bit('nacl_glibc') and env['NACL_BUILD_FAMILY'] != 'TRUSTED':
     if not glibc_static and not env.Bit('nacl_static_link'):
       command = ['${NACL_SDK_LIB}/runnable-ld.so',
                  # Locally-built shared libraries come from ${LIB_DIR}
                  # while toolchain-provided ones come from ${NACL_SDK_LIB}.
                  '--library-path', '${LIB_DIR}:${NACL_SDK_LIB}'] + command
     # Enable file access.
     sel_ldr_flags += ['-a']
 
-  if env.Bit('tests_use_irt') or uses_ppapi:
-    sel_ldr_flags += ['-B', nacl_env.GetIrtNexe(chrome_irt=uses_ppapi)]
+  if env.Bit('tests_use_irt'):
+    sel_ldr_flags += ['-B', nacl_env.GetIrtNexe()]
 
   if skip_bootstrap:
     loader_cmd = [loader]
   else:
     loader_cmd = env.AddBootstrap(loader, [])
 
   command = loader_cmd + sel_ldr_flags + ['--'] + command
 
   if env.ShouldUseVerboseOptions(extra):
     env.MakeVerboseExtraOptions(name, log_verbosity, extra)
@@ skipping 1813 matching lines @@
   nacl_env.ValidateSdk()
 
 if BROKEN_TEST_COUNT > 0:
   msg = "There are %d broken tests." % BROKEN_TEST_COUNT
   if GetOption('brief_comstr'):
     msg += " Add --verbose to the command line for more information."
   print msg
 
 # separate warnings from actual build output
 Banner('B U I L D - O U T P U T:')