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

SConstruct

 # -*- 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 atexit
 import glob
 import os
 import platform
 import stat
@@ skipping 2543 matching lines @@
     'tests/computed_gotos/nacl.scons',
     'tests/data_not_executable/nacl.scons',
     'tests/debug_stub/nacl.scons',
     'tests/dup/nacl.scons',
     'tests/dynamic_code_loading/nacl.scons',
     'tests/dynamic_linking/nacl.scons',
     'tests/earth/nacl.scons',
     'tests/egyptian_cotton/nacl.scons',
     'tests/environment_variables/nacl.scons',
     'tests/fake_browser/nacl.scons',
-    'tests/fake_browser_ppapi/nacl.scons',
     'tests/fib/nacl.scons',
     'tests/file/nacl.scons',
     'tests/gc_instrumentation/nacl.scons',
     'tests/glibc_file64_test/nacl.scons',
     'tests/glibc_static_test/nacl.scons',
     'tests/glibc_syscall_wrappers/nacl.scons',
     'tests/hello_world/nacl.scons',
     'tests/imc_shm_mmap/nacl.scons',
     'tests/imc_sockets/nacl.scons',
     'tests/inbrowser_test_runner/nacl.scons',
@@ skipping 28 matching lines @@
     'tests/ppapi_browser/progress_events/nacl.scons',
     'tests/ppapi_example_2d/nacl.scons',
     'tests/ppapi_example_audio/nacl.scons',
     'tests/ppapi_example_events/nacl.scons',
     'tests/ppapi_example_font/nacl.scons',
     'tests/ppapi_example_gles2/nacl.scons',
     'tests/ppapi_example_post_message/nacl.scons',
     'tests/ppapi_geturl/nacl.scons',
     'tests/ppapi_gles_book/nacl.scons',
     'tests/ppapi_messaging/nacl.scons',
-    'tests/ppapi_proxy/nacl.scons',
     'tests/ppapi_simple_tests/nacl.scons',
     'tests/ppapi_test_example/nacl.scons',
     'tests/ppapi_test_lib/nacl.scons',
     'tests/ppapi_tests/nacl.scons',
     'tests/pyauto_nacl/nacl.scons',
     'tests/redir/nacl.scons',
     'tests/rodata_not_writable/nacl.scons',
     'tests/signal_handler/nacl.scons',
     'tests/srpc/nacl.scons',
     'tests/srpc_hw/nacl.scons',
@@ skipping 440 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:')