chromium_tests: automatically set up test genrators

scripts/slave/recipe_modules/chromium_tests/chromium.py

Index: scripts/slave/recipe_modules/chromium_tests/chromium.py
diff --git a/scripts/slave/recipe_modules/chromium_tests/chromium.py b/scripts/slave/recipe_modules/chromium_tests/chromium.py
index 69564cc0c75827f6b6e46285eb1925776da65f1e..77a5e5f1fd11571f2e7a283fb7c7262162dbc51c 100644
--- a/scripts/slave/recipe_modules/chromium_tests/chromium.py
+++ b/scripts/slave/recipe_modules/chromium_tests/chromium.py
@@ -23,11 +23,6 @@ SPEC = {
       'compile_targets': [
         'all',
       ],
-      'test_generators': [
-        steps.generate_gtest,
-        steps.generate_script,
-        steps.generate_isolated_script,
-      ],
       'archive_build': True,
       'gs_bucket': 'chromium-browser-snapshots',
       'gs_acl': 'public-read',
@@ -53,11 +48,6 @@ SPEC = {
       'compile_targets': [
         'all',
       ],
-      'test_generators': [
-        steps.generate_gtest,
-        steps.generate_script,
-        steps.generate_isolated_script,
-      ],
       'archive_build': True,
       'gs_bucket': 'chromium-browser-snapshots',
       'gs_acl': 'public-read',
@@ -83,11 +73,6 @@ SPEC = {
       'compile_targets': [
         'all',
       ],
-      'test_generators': [
-        steps.generate_gtest,
-        steps.generate_script,
-        steps.generate_isolated_script,
-      ],
       'archive_build': True,
       'gs_bucket': 'chromium-browser-snapshots',
       'gs_acl': 'public-read',
@@ -110,11 +95,6 @@ SPEC = {
         'BUILD_CONFIG': 'Release',
         'TARGET_BITS': 64,
       },
-      'test_generators': [
-        steps.generate_gtest,
-        steps.generate_script,
-        steps.generate_isolated_script,
-      ],
       'archive_build': True,
       'gs_bucket': 'chromium-browser-snapshots',
       'gs_acl': 'public-read',
@@ -142,11 +122,6 @@ SPEC = {
       'compile_targets': [
         'all',
       ],
-      'test_generators': [
-        steps.generate_gtest,
-        steps.generate_script,
-        steps.generate_isolated_script,
-      ],
       'archive_build': True,
       'gs_bucket': 'chromium-browser-snapshots',
       'gs_acl': 'public-read',