V8: Explicitly define presence of valgrind on relevant builder

scripts/slave/recipe_modules/v8/builders.py

 # 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.
 
 # Contains the bulk of the V8 builder configurations so they can be reused
 # from multiple recipes.
 
 from recipe_engine.types import freeze
 from testing import V8NoExhaustiveVariants, V8Variant, V8VariantNeutral
 
@@ skipping 346 matching lines @@
         'enable_swarming': True,
         'testing': {'platform': 'linux'},
         'triggers': [
           'V8 Linux64',
           'V8 Linux64 - avx2',
         ],
         'triggers_proxy': True,
       },
       'V8 Linux64 - debug builder': {
         'gclient_apply_config': ['v8_valgrind'],
-        'chromium_apply_config': ['clang', 'v8_ninja', 'goma', 'jsfunfuzz'],
+        'chromium_apply_config': [
+          'clang', 'v8_ninja', 'goma', 'jsfunfuzz', 'has_valgrind'],
         'v8_config_kwargs': {
           'BUILD_CONFIG': 'Debug',
           'TARGET_BITS': 64,
         },
         'bot_type': 'builder',
         'build_gs_archive': 'linux64_dbg_archive',
         'testing': {'platform': 'linux'},
         'enable_swarming': True,
         'triggers': [
           'V8 Fuzzer',
@@ skipping 2148 matching lines @@
 dart_win_release['chromium_apply_config'].extend(['v8_ninja', 'msvs2013'])
 
 BUILDERS = freeze(BUILDERS)
 BRANCH_BUILDERS = freeze(BRANCH_BUILDERS)
 
 def iter_builders():
   for mastername, master_config in BUILDERS.iteritems():
     builders = master_config['builders']
     for buildername, bot_config in builders.iteritems():
       yield mastername, builders, buildername, bot_config