Add GetPreferredTrySlaves() to presubmit scripts.

BUG=23071
TEST=none
Review URL: http://codereview.chromium.org/251024

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@27449 0039d316-1c4b-4281-b951-d872f2087c98

PRESUBMIT.py

@@ -143,3 +143,7 @@ def CheckTreeIsOpen(input_api, output_api, url, closed, url_text):
   except IOError:
     pass
   return []
+
+
+def GetPreferredTrySlaves():
+  return ['win', 'linux', 'mac']

chrome/browser/views/PRESUBMIT.py

@@ -0,0 +1,13 @@
+#!/usr/bin/python
+# Copyright (c) 2009 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.
+
+"""Chromium presubmit script for src/chrome/browser/view.
+
+See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
+for more details on the presubmit API built into gcl.
+"""
+
+def GetPreferredTrySlaves():
+  return ['linux_view']

views/PRESUBMIT.py

@@ -0,0 +1,13 @@
+#!/usr/bin/python
+# Copyright (c) 2009 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.
+
+"""Chromium presubmit script for src/views.
+
+See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
+for more details on the presubmit API built into gcl.
+"""
+
+def GetPreferredTrySlaves():
+  return ['linux_view']