Inlining PPAPI_LIBS as its now the same everywhere.

ppapi/native_client/tests/ppapi_tests/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')
 import os
 
 if env.Bit('nacl_glibc'):
   Return()
@@ skipping 72 matching lines @@
 # causes object files to end up in the wrong directory.
 def MakeComponentObject(src):
   return env.ComponentObject(
       os.path.splitext(src)[0],
       os.path.join('$SOURCE_ROOT/ppapi/tests', src))
 
 ppapi_tests_objs = [MakeComponentObject(src) for src in ppapi_tests_sources]
 
 ppapi_tests_nexe = env.ComponentProgram(ppapi_tests_target,
                                         ppapi_tests_objs,
-                                        EXTRA_LIBS=['${PPAPI_LIBS}',
+                                        EXTRA_LIBS=['ppapi',
                                                     'ppapi_cpp'
                                                     ])
 
 # Note that the html is required to run this program.
 # To run, load page with mode=nacl search string:
 # http://localhost:5103/scons-out/nacl-x86-32/staging/test_case.html?mode=nacl
 # http://localhost:5103/scons-out/nacl-x86-64/staging/test_case.html?mode=nacl
 
 # NOTE: This test is also run as part of the pyauto suite.
 #       See pyauto_nacl/nacl.scons.
 
 env.Publish(ppapi_tests_target, 'run',
             ['$SOURCE_ROOT/ppapi/tests/test_url_loader_data/*'],
             subdir='test_url_loader_data')
 
 env.Publish(ppapi_tests_target, 'run',
             [ppapi_tests_nexe,
              '$SOURCE_ROOT/ppapi/tests/test_case.html',
              'test_case.nmf',
              '$SOURCE_ROOT/ppapi/tests/test_image_data',
              '$SOURCE_ROOT/ppapi/tests/test_page.css'])