Remove plugin connection to PPAPI scriptable objects (var deprecated). Also

tests/ppapi_test_lib/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.
 #
 # Test library for testing PPAPI C layer for PPB_ and PPP_ interfaces.
 #
 # TODO(polina): also factor in the C++ layer?
 # TODO(polina): add trusted build.scons.
 #
 # module_instance.cc - implements PPP and PPP_Instance interfaces.
-# scriptable_object.cc - implements the scripting interface.
 # get_browser_interface.cc - implements interface lookup helpers.
 # internal_utils.cc - implements internal helper functions and globals.
 # test_interface.cc - implements the test interface.
 #
 # See ppapi_test_example for sample usage.
 
 Import('env')
 
 env.Prepend(CPPDEFINES=['XP_UNIX'])
 
 env.ComponentLibrary('ppapi_test_lib',
                      ['get_browser_interface.cc',
                       'internal_utils.cc',
                       'module_instance.cc',
-                      'scriptable_object.cc',
                       'test_interface.cc']);