Updating gyp repo for git, preparing for cq.

PRESUBMIT.py

 # 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.
 
 
 """Top-level presubmit script for GYP.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into gcl.
 """
@@ skipping 106 matching lines @@
     report.extend(input_api.canned_checks.RunPylint(
         input_api,
         output_api,
         black_list=blacklist,
         disabled_warnings=PYLINT_DISABLED_WARNINGS))
   finally:
     sys.path = old_sys_path
   return report
 
 
-def GetPreferredTrySlaves():
-  return ['gyp-win32', 'gyp-win64', 'gyp-linux', 'gyp-mac', 'gyp-android']
+TRYBOTS = [
+    'gyp-win32',
+    'gyp-win64',
+    'gyp-linux',
+    'gyp-mac',
+    'gyp-android'
+]
+
+
+def GetPreferredTryMasters(_, change):
+  return {
+      'tryserver.nacl': { t: set(['defaulttests']) for t in TRYBOTS },
+  }