chromium_tests: automatically set up test genrators

scripts/slave/recipe_modules/chromium_tests/chromium_chromiumos.py

Index: scripts/slave/recipe_modules/chromium_tests/chromium_chromiumos.py
diff --git a/scripts/slave/recipe_modules/chromium_tests/chromium_chromiumos.py b/scripts/slave/recipe_modules/chromium_tests/chromium_chromiumos.py
index c1640808ced570a7676b49c59e12234bee99d040..6c9154874b12fd0d6c57a8c726279c2999cdc15f 100644
--- a/scripts/slave/recipe_modules/chromium_tests/chromium_chromiumos.py
+++ b/scripts/slave/recipe_modules/chromium_tests/chromium_chromiumos.py
@@ -95,11 +95,6 @@ SPEC = {
         'TARGET_BITS': 64,
       },
       'bot_type': 'tester',
-      'test_generators': [
-        steps.generate_gtest,

[ghost stip (do not use), 2016/09/22 23:25:48]

dnj: fyi, this shouldn't affect anything

-        steps.generate_script,
-        steps.generate_isolated_script,
-      ],
       'parent_buildername': 'Linux ChromiumOS Builder',
       'testing': {
         'platform': 'linux',
@@ -114,11 +109,6 @@ SPEC = {
         'BUILD_CONFIG': 'Release',
         'TARGET_PLATFORM': 'chromeos',
       },
-      'test_generators': [
-        steps.generate_gtest,
-        steps.generate_script,
-        steps.generate_isolated_script,
-      ],
       'enable_swarming': True,
       'checkout_dir': 'linux_chromium_gn_chromeos',
       'testing': {
@@ -154,11 +144,6 @@ SPEC = {
         'TARGET_BITS': 64,
       },
       'bot_type': 'tester',
-      'test_generators': [
-        steps.generate_gtest,
-        steps.generate_script,
-        steps.generate_isolated_script,
-      ],
       'parent_buildername': 'Linux ChromiumOS Ozone Builder',
       'testing': {
         'platform': 'linux',
@@ -194,11 +179,6 @@ SPEC = {
         'TARGET_BITS': 64,
       },
       'bot_type': 'tester',
-      'test_generators': [
-        steps.generate_gtest,
-        steps.generate_script,
-        steps.generate_isolated_script,
-      ],
       'parent_buildername': 'Linux ChromiumOS Builder (dbg)',
       'testing': {
         'platform': 'linux',
@@ -213,11 +193,6 @@ SPEC = {
         'BUILD_CONFIG': 'Debug',
         'TARGET_PLATFORM': 'chromeos',
       },
-      'test_generators': [
-        steps.generate_gtest,
-        steps.generate_script,
-        steps.generate_isolated_script,
-      ],
       'enable_swarming': True,
       'checkout_dir': 'linux_chromium_gn_chromeos',
       'testing': {