Inlining PPAPI_LIBS as its now the same everywhere.

ppapi/native_client/tests/ppapi_gles_book/nacl.scons

 # -*- python -*-
 # Copyright 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.
 
 # OpenGL ES examples
 
 Import('env')
 
 env.Prepend(CPPDEFINES=['XP_UNIX', 'GL_GLEXT_PROTOTYPES'])
@@ skipping 51 matching lines @@
 # For now, we just avoid adding them to a test suite.
 if env.Bit('bitcode'):
   Return()
 
 for demo, sources in gles_book_examples.iteritems():
     nexe_name = env.ProgramNameForNmf('ppapi_gles_book_%s' % demo)
     nmf_name = 'ppapi_gles_book_' + demo + '.nmf'
     nexe = env.ComponentProgram(
         nexe_name,
         ['demos/gles2_book/demo_' + demo + '.cc'] + sources,
-        EXTRA_LIBS=['${PPAPI_LIBS}',
+        EXTRA_LIBS=['ppapi',
                     'ppapi_cpp',
                     'ppapi_gles_demo',
                     'ppapi_cpp',
                     'ppapi_gles2',
                     'm'])
     env.Publish(nexe_name, 'run',
                 ['ppapi_gles_book.html'])
     test = env.PPAPIBrowserTester(
         'ppapi_gles_book_' + demo + '.out',
         url='ppapi_gles_book.html?manifest=' + nmf_name,
         nmfs=['${TEST_DIR}/' + nmf_name],
         files=[nexe,
                env.File('ppapi_gles_book.html')],
         browser_flags=['--enable-accelerated-plugins'])
     env.AddNodeToTestSuite(
         test,
         ['chrome_browser_tests'],
         'run_ppapi_gles_book_' + demo + '_test',
         is_broken=env.PPAPIBrowserTesterIsBroken() or
                   env.PPAPIGraphics3DIsBroken())