Add TestGypXcodeNinja to run tests against the xcode-ninja generator

test/mac/gyptest-strip.py

 #!/usr/bin/env python
 
 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """
 Verifies that stripping works.
 """
 
@@ skipping 23 matching lines @@
     n = int(m.group(1))
     if n != n_expected:
       print 'Stripping: Expected %d symbols, got %d' % (n_expected, n)
       test.fail_test()
 
   # Starting with Xcode 5.0, clang adds an additional symbols to the compiled
   # file when using a relative path to the input file. So when using ninja
   # with Xcode 5.0 or higher, take this additional symbol into consideration
   # for unstripped builds (it is stripped by all strip commands).
   expected_extra_symbol_count = 0
-  if test.format == 'ninja' and TestMac.Xcode.Version() >= '0500':
+  if test.format in ['ninja', 'xcode-ninja'] \
+      and TestMac.Xcode.Version() >= '0500':
     expected_extra_symbol_count = 1
 
   # The actual numbers here are not interesting, they just need to be the same
   # in both the xcode and the make build.
   CheckNsyms(OutPath('no_postprocess'), 29 + expected_extra_symbol_count)
   CheckNsyms(OutPath('no_strip'), 29 + expected_extra_symbol_count)
   CheckNsyms(OutPath('strip_all'), 0)
   CheckNsyms(OutPath('strip_nonglobal'), 6)
   CheckNsyms(OutPath('strip_debugging'), 7)
   CheckNsyms(OutPath('strip_all_custom_flags'), 0)
   CheckNsyms(test.built_file_path(
       'strip_all_bundle.framework/Versions/A/strip_all_bundle', chdir='strip'),
       0)
   CheckNsyms(OutPath('strip_save'), 7)
 
   test.pass_test()