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

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

Index: masters/master.tryserver.chromium.linux/slaves.cfg
diff --git a/masters/master.tryserver.chromium.linux/slaves.cfg b/masters/master.tryserver.chromium.linux/slaves.cfg
index 3797fb61eb45521dbfdc1ca78f885e17a532b6d9..845fdeca8c551d36fd621a2e7c2b5c0015d30f7a 100644
--- a/masters/master.tryserver.chromium.linux/slaves.cfg
+++ b/masters/master.tryserver.chromium.linux/slaves.cfg
@@ -191,6 +191,30 @@ def linux():
       '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