Add trusty builders on chromium.linux & tryserver.chromium.linux

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

 # -*- python -*-
 # ex: set syntax=python:
 # Copyright 2014 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.
 
 def linux():
   chromeos_boards = ('x86-generic', 'amd64-generic', 'daisy')
@@ skipping 173 matching lines @@
     result.append({
       'master': 'TryServerChromiumLinux',
       'os': 'linux',
       'version': 'trusty',
       'bits': 64,
       'builder': ['linux_chromium_headless_rel'],
       'hostname': 'slave%d-c4' % slave,
       'pool': 'linux_chromium_headless_rel',
     })
 
+  # Trusty
+  trusty_slaves = range(1102, 1201)
+  trusty_builders = [
+    'linux_chromium_compile_trusty_dbg_32_ng',
+    'linux_chromium_trusty_dbg_32_ng',
+    'linux_chromium_compile_trusty_rel_ng',
+    'linux_chromium_compile_trusty_dbg_ng',
+    'linux_chromium_trusty_rel_ng',
+    'linux_chromium_trusty_dbg_ng',
+    'cast_shell_linux_trusty',
+  ]
+  for i, slave in enumerate(trusty_slaves):
+    result.append({
+      'master': 'TryServerChromiumLinux',
+      'os': 'linux',
+      'version': 'trusty',
+      'bits': '64',
+      'builder': trusty_builders,
+      'preferred_builder': trusty_builders[i % len(trusty_builders)],
+      'hostname': 'slave%d-c4' % slave,
+      'pool': 'linux_trusty',
+    })
+  # TODO(yyanagisawa): split builders to CQ and non-CQ.
+
   return result
 
 
 slaves = linux()