Added NVALGRIND define [on by default]. Can be turned off on valgrind slaves ...

tools/buildbot/master.chromium.fyi/master.cfg

 # -*- python -*-
 # ex: set syntax=python:
 
 # Copyright (c) 2006-2009 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.
 
 # This is the buildmaster config file for the 'chromium' bot. It must
 # be installed as 'master.cfg' in your buildmaster's base directory
 # (although the filename can be changed with the --basedir option to
@@ skipping 289 matching lines @@
                                                    'startup', 'tab_switching',
                                                    'memory', 'printing',
                                                    'browser_tests'])
 
 f_chromium_rel_purify_ui = m_win.ChromiumFactory('chromium-purify-ui',
                                                  mode='purify',
                                                  tests=['purify_ui'])
 
 # On Mac valgrind bots, override the optimizer settings so we don't inline too
 # much and make the stacks harder to figure out.
-mac_valgrind_gyp_defines = 'mac_release_optimization=1 mac_debug_optimization=1'
+mac_valgrind_gyp_defines = ('release_valgrind_build=1 '
+                            'mac_release_optimization=1 '
+                            'mac_debug_optimization=1')
 
 # temporary hack: use debug builds for mac valgrind ui tests
 # until we figure out why we can't get stacks on release builds
 f_chromium_rel_mac_valgrind_ui_1 = m_mac.ChromiumFactory(
     'chromium-rel-mac-valgrind-ui-1',
     tests=['valgrind_ui_1_of_3'],
     target='Debug',
     factory_properties={
         'gclient_env': { 'GYP_DEFINES' : mac_valgrind_gyp_defines}},
     options=['--', '-project', '../chrome/chrome.xcodeproj',
@@ skipping 11 matching lines @@
 f_chromium_rel_mac_valgrind_ui_3 = m_mac.ChromiumFactory(
     'chromium-rel-mac-valgrind-ui-3',
     tests=['valgrind_ui_3_of_3'],
     target='Debug',
     factory_properties={
         'gclient_env': { 'GYP_DEFINES' : mac_valgrind_gyp_defines}},
     options=['--', '-project', '../chrome/chrome.xcodeproj',
              '-target', 'ui_tests'])
 
 # On linux valgrind bots, override a few build settings.
-linux_valgrind_gyp_defines = ('release_optimize=1 werror= '
+linux_valgrind_gyp_defines = ('release_valgrind_build=1 '
+                              'release_optimize=1 werror= '
                               'release_extra_cflags="-g"')
 
 f_sub_rel_linux_tsan = m_linux.ChromiumFactory('sub-rel-linux-tsan',
     target='Release',
     tests=['tsan_base',
            'tsan_googleurl',
            'tsan_net',
            'tsan_ipc',
            'tsan_media',
            'tsan_printing'],
@@ skipping 653 matching lines @@
 c['projectURL'] = config.Master.project_url
 
 # the 'buildbotURL' string should point to the location where the buildbot's
 # internal web server (usually the html.Waterfall page) is visible. This
 # typically uses the port number set in the Waterfall 'status' entry, but
 # with an externally-visible host name which the buildbot cannot figure out
 # without some help.
 
 c['buildbotURL'] = 'http://build.chromium.org/buildbot/waterfall/'