Remove all mac 10.5 bots from the main waterfall. Create placeholders for 10.7 bots.

masters/master.chromium/slaves.cfg

 # -*- python -*-
 # ex: set syntax=python:
 
 # Copyright (c) 2012 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.
 
 # See master.experimental/slaves.cfg for documentation.
 
 
@@ skipping 344 matching lines @@
 # Mac
 ################################################################################
   {
     'master': 'Chromium',
     'hostname': 'xserve6-m1',
     'builder': 'Mac Builder',
     'os': 'mac',
     'version': '10.6',
     'bits': '64',
   },
-  {
-    'master': 'Chromium',
-    'hostname': 'vm612-m1',
-    'builder': 'Mac10.5 Tests (1)',
-    'os': 'mac',
-    'version': '10.5',
-    'bits': '64',
-  },
-  {
-    'master': 'Chromium',
-    'hostname': 'vm613-m1',
-    'builder': 'Mac10.5 Tests (2)',
-    'os': 'mac',
-    'version': '10.5',
-    'bits': '64',
-  },
-  {
-    'master': 'Chromium',
-    'hostname': 'vm614-m1',
-    'builder': 'Mac10.5 Tests (3)',
-    'os': 'mac',
-    'version': '10.5',
-    'bits': '64',
-  },
+#  {
+#    'master': 'Chromium',
+#    'hostname': 'vm612-m1',
+#    'builder': 'Mac10.7 Tests (1)',
+#    'os': 'mac',
+#    'version': '10.7',
+#    'bits': '64',
+#  },
+#  {
+#    'master': 'Chromium',
+#    'hostname': 'vm613-m1',
+#    'builder': 'Mac10.7 Tests (2)',
+#    'os': 'mac',
+#    'version': '10.7',
+#    'bits': '64',
+#  },
+#  {
+#    'master': 'Chromium',
+#    'hostname': 'vm614-m1',
+#    'builder': 'Mac10.7 Tests (3)',
+#    'os': 'mac',
+#    'version': '10.7',
+#    'bits': '64',
+#  },
   {
     'master': 'Chromium',
     'hostname': 'vm603-m1',
     'builder': 'Mac10.6 Tests (1)',
     'os': 'mac',
     'version': '10.6',
     'bits': '64',
   },
   {
     'master': 'Chromium',
@@ skipping 12 matching lines @@
     'bits': '64',
   },
   {
     'master': 'Chromium',
     'hostname': 'xserve3-m1',
     'builder': 'Mac Builder (dbg)',
     'os': 'mac',
     'version': '10.6',
     'bits': '64',
   },
-  {
-    'master': 'Chromium',
-    'hostname': 'vm615-m1',
-    'builder': 'Mac 10.5 Tests (dbg)(1)',
-    'os': 'mac',
-    'version': '10.5',
-    'bits': '64',
-  },
-  {
-    'master': 'Chromium',
-    'hostname': 'vm616-m1',
-    'builder': 'Mac 10.5 Tests (dbg)(2)',
-    'os': 'mac',
-    'version': '10.5',
-    'bits': '64',
-  },
-  {
-    'master': 'Chromium',
-    'hostname': 'vm617-m1',
-    'builder': 'Mac 10.5 Tests (dbg)(3)',
-    'os': 'mac',
-    'version': '10.5',
-    'bits': '64',
-  },
-  {
-    'master': 'Chromium',
-    'hostname': 'vm618-m1',
-    'builder': 'Mac 10.5 Tests (dbg)(4)',
-    'os': 'mac',
-    'version': '10.5',
-    'bits': '64',
-  },
+#  {
+#    'master': 'Chromium',
+#    'hostname': 'vm615-m1',
+#    'builder': 'Mac 10.7 Tests (dbg)(1)',
+#    'os': 'mac',
+#    'version': '10.7',
+#    'bits': '64',
+#  },
+#  {
+#    'master': 'Chromium',
+#    'hostname': 'vm616-m1',
+#    'builder': 'Mac 10.7 Tests (dbg)(2)',
+#    'os': 'mac',
+#    'version': '10.7',
+#    'bits': '64',
+#  },
+#  {
+#    'master': 'Chromium',
+#    'hostname': 'vm617-m1',
+#    'builder': 'Mac 10.7 Tests (dbg)(3)',
+#    'os': 'mac',
+#    'version': '10.7',
+#    'bits': '64',
+#  },
+#  {
+#    'master': 'Chromium',
+#    'hostname': 'vm618-m1',
+#    'builder': 'Mac 10.7 Tests (dbg)(4)',
+#    'os': 'mac',
+#    'version': '10.7',
+#    'bits': '64',
+#  },
   {
     'master': 'Chromium',
     'hostname': 'vm606-m1',
     'builder': 'Mac 10.6 Tests (dbg)(1)',
     'os': 'mac',
     'version': '10.6',
     'bits': '64',
   },
   {
     'master': 'Chromium',
@@ skipping 99 matching lines @@
 ################################################################################
   {
     'master': 'Chromium',
     'hostname': 'vm138-m1',
     'builder': 'Android Builder',
     'os': 'linux',
     'version': 'lucid',
     'bits': '64',
   },
 ]