This moves all of the remaining 32-bit linux builders onto 64-bit hosts.

masters/master.chromium.fyi/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 187 matching lines @@
   {
     'master': 'ChromiumFYI',
     'hostname': 'vm899-m1',
     'builder': ['Chromium Linux Precise Goma LinkTest'],
     'os': 'linux',
     'version': 'precise',
     'bits': '64',
   },
   {
     'master': 'ChromiumFYI',
-    'hostname': 'vm993-m1',
+    'hostname': 'vm925-m1',

[Lei Zhang, 2016/04/26 01:18:23]

So this is a 64-bit kernel+userland machine, but it can do a 32-bit Linux build?

     'builder': ['Chromium Linux32 Goma Canary (clobber)'],
     'os': 'linux',
     'version': 'precise',
-    'bits': '32',
+    'bits': '64',
   },
   {
     'master': 'ChromiumFYI',
     'hostname': 'vm657-m1',
     'builder': ['Chromium Mac 10.9 Goma Canary'],
     'os': 'mac',
     'version': '10.9',
     'bits': '64',
   },
   {
@@ skipping 457 matching lines @@
   },
   {
     'master': 'ChromiumFYI',
     'builder': 'Linux Kitchen (annotated_run)',
     'hostname': 'slave74-c1',
     'os': 'linux',
     'version': 'precise',
     'bits': '64',
   },
 ]