Moving Findit variable builder to experimental high-end bot

masters/master.tryserver.chromium.win/slaves.cfg

Index: masters/master.tryserver.chromium.win/slaves.cfg
diff --git a/masters/master.tryserver.chromium.win/slaves.cfg b/masters/master.tryserver.chromium.win/slaves.cfg
index 99bc65b6ad03f76c36467164c1b593e386e15edd..cacf0607eeaeb101fcf16affa8726e7b8e9fdd65 100644
--- a/masters/master.tryserver.chromium.win/slaves.cfg
+++ b/masters/master.tryserver.chromium.win/slaves.cfg
@@ -4,8 +4,9 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-def distribute_slaves(slave_numbers, builders, os_ver, pool=None, gce=False):
-  hostname_format = 'vm%d-m4' if not gce else 'slave%d-c4'
+def distribute_slaves(slave_numbers, builders, os_ver, pool=None, gce=False,
+                      prefix='vm'):
+  hostname_format = prefix + '%d-m4' if not gce else 'slave%d-c4'
   return [
     {
       'master': 'TryServerChromiumWin',
@@ -57,6 +58,8 @@ def windows():
       optional_slaves_gn, optional_builders_gn, 'win7', 'win_optional_gn')
 
   optional_slaves_chromium = [181, 185, 186, 187, 192]
+  optional_highend_slaves_chromium = [533]
+
   optional_builders_chromium = [
     # directory: win
     'win_chromium_compile_rel_ng',
@@ -78,7 +81,6 @@ def windows():
     # directory: win_webkit
     'win_chromium_variable_webkit_builder',
     'win_chromium_variable_webkit_win7_builder',
-    'win_chromium_variable_webkit_win7_builder_x64',
     # directory: win_nacl_sdk
     'win_nacl_sdk',
     # directory: win_nacl_sdk_build
@@ -86,13 +88,28 @@ def windows():
     # directory: win_x64
     'win_x64_chromium_variable_builder',
   ]
+
+  # Experimental optional builders on high-end machines.
+  optional_builders_chromium_highend = [
+    # directory: win_webkit
+    'win_chromium_variable_webkit_win7_builder_x64',
+  ]
+
   optional_pool_chromium = distribute_slaves(
       optional_slaves_chromium,
       optional_builders_chromium,
       'win7',
       'win_optional_chromium')
 
-  optional_pool = optional_pool_chromium + optional_pool_gn
+  optional_highend_pool_chromium = distribute_slaves(
+      optional_highend_slaves_chromium,
+      optional_builders_chromium_highend,
+      'win7',
+      'win_optional_highend',
+      prefix='build')
+
+  optional_pool = (optional_pool_chromium + optional_highend_pool_chromium +
+      optional_pool_gn)
 
   win8_slaves = ([115, 168, 722, 798, 799] + range(384, 399) +
       range(408, 422) + range(468, 495) +