Disable swarming for tests where it's disabled on builder level (FYI masters)

content/test/gpu/generate_buildbot_json.py

Index: content/test/gpu/generate_buildbot_json.py
diff --git a/content/test/gpu/generate_buildbot_json.py b/content/test/gpu/generate_buildbot_json.py
index 8aed8ca1fcc64f8104919a2a236f6da36c70a02b..8fda4769b78b647da8c8328d5ebe65bf53e3a522 100755
--- a/content/test/gpu/generate_buildbot_json.py
+++ b/content/test/gpu/generate_buildbot_json.py
@@ -1644,7 +1644,7 @@ def generate_gtest(tester_name, tester_config, test, test_config,
     if not 'swarming' in result:
       result['swarming'] = {}
     result['swarming'].update({
-      'can_use_on_swarming_builders': True,
+      'can_use_on_swarming_builders': tester_config['swarming'],
       'dimension_sets': tester_config['swarming_dimensions']
     })
     if is_android(tester_config):
@@ -1753,7 +1753,7 @@ def generate_isolated_test(tester_name, tester_config, test, test_config,
   swarming = {
     # Always say this is true regardless of whether the tester
     # supports swarming. It doesn't hurt.

[Ken Russell (switch to Gerrit), 2017/01/25 22:28:09]

Agree with Dirk's comment above. Please update this comment indicating that this
is the switch which determines how these tests are run. I'm not 100% sure about
the direction of this work but it sounds like the machine-level Swarming switch
is being removed.

-    'can_use_on_swarming_builders': True,
+    'can_use_on_swarming_builders': tester_config['swarming'],
     'dimension_sets': tester_config['swarming_dimensions']
   }
   if 'swarming' in test_config: