V8: Add win-clang fyi bot.

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
 
 
@@ skipping 685 matching lines @@
           'TARGET_BITS': 64,
         },
         'bot_type': 'builder_tester',
         'enable_swarming': True,
         'swarming_dimensions': {
           'os': 'Windows-7-SP1',
         },
         'tests': [V8Testing_2, SimdJs, Test262, Mozilla, Ignition],
         'testing': {'platform': 'win'},
       },
+      'V8 Win64 - clang': {
+        'chromium_apply_config': [
+          'clang',
+          'v8_ninja',
+          'goma',
+        ],
+        'v8_config_kwargs': {
+          'BUILD_CONFIG': 'Release',
+          'TARGET_BITS': 64,
+        },
+        'bot_type': 'builder_tester',
+        'testing': {'platform': 'win'},
+      },
 ####### Category: Mac
       'V8 Mac': {
         'chromium_apply_config': ['v8_ninja', 'clang', 'goma'],
         'v8_config_kwargs': {
           'BUILD_CONFIG': 'Release',
           'TARGET_BITS': 32,
         },
         'bot_type': 'builder_tester',
         'enable_swarming': True,
         'tests': [V8Testing, Test262, Mozilla, SimdJs, Ignition],
@@ skipping 1998 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