Remove dependency of NaCl untarred toolchain from NaCl SDK Tests.

native_client_sdk/src/tools/lib/tests/get_shared_deps_test.py

 #!/usr/bin/env python
 # Copyright 2014 The Chromium 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 os
 import shutil
 import subprocess
 import sys
 import tempfile
 import unittest
 
 SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
 LIB_DIR = os.path.dirname(SCRIPT_DIR)
 TOOLS_DIR = os.path.dirname(LIB_DIR)
 DATA_DIR = os.path.join(SCRIPT_DIR, 'data')
-CHROME_SRC = os.path.dirname(os.path.dirname(os.path.dirname(TOOLS_DIR)))
 
 sys.path.append(LIB_DIR)
 sys.path.append(TOOLS_DIR)
 
-import getos
+import build_paths
 import get_shared_deps
 
+TOOLCHAIN_OUT = os.path.join(build_paths.OUT_DIR, 'sdk_tests', 'toolchain')
+NACL_X86_GLIBC_TOOLCHAIN = os.path.join(TOOLCHAIN_OUT, 'nacl_x86_glibc')
+
 
 def StripDependencies(deps):
   '''Strip the dirnames and version suffixes from
   a list of nexe dependencies.
 
   e.g:
   /path/to/libpthread.so.1a2d3fsa -> libpthread.so
   '''
   names = []
   for name in deps:
     name = os.path.basename(name)
     if '.so.' in name:
       name = name.rsplit('.', 1)[0]
     names.append(name)
   return names
 
 
 class TestGetNeeded(unittest.TestCase):
   def setUp(self):
     self.tempdir = None
-    toolchain = os.path.join(CHROME_SRC, 'native_client', 'toolchain')
-    self.toolchain = os.path.join(toolchain, '%s_x86' % getos.GetPlatform(),
-                                  'nacl_x86_glibc')
+    self.toolchain = NACL_X86_GLIBC_TOOLCHAIN
     self.objdump = os.path.join(self.toolchain, 'bin', 'i686-nacl-objdump')
     if os.name == 'nt':
       self.objdump += '.exe'
     self.Mktemp()
     self.dyn_nexe = self.createTestNexe('test_dynamic_x86_32.nexe', 'i686')
     self.dyn_deps = set(['libc.so', 'runnable-ld.so',
                          'libgcc_s.so', 'libpthread.so'])
 
   def tearDown(self):
     if self.tempdir:
@@ skipping 69 matching lines @@
 
     needed = get_shared_deps.GetNeeded([self.dyn_nexe],
                                        lib_path=lib_path,
                                        objdump=self.objdump)
     for arch in needed.itervalues():
       self.assertEqual(arch, 'x86-32')
 
 
 if __name__ == '__main__':
   unittest.main()