diff --git a/scripts/slave/recipe_modules/chromium_tests/chromium_chrome.py b/scripts/slave/recipe_modules/chromium_tests/chromium_chrome.py
index f54fef4..3b9a262 100644
--- a/scripts/slave/recipe_modules/chromium_tests/chromium_chrome.py
+++ b/scripts/slave/recipe_modules/chromium_tests/chromium_chrome.py
@@ -77,6 +77,9 @@
       'testing': {
         'platform': 'linux',
       },
+      'tests': {
+        steps.SizesStep(RESULTS_URL, 'linux-google-rel')
+      },
       'isolate_server': 'https://chrome-isolated.appspot.com',
       'swarming_server': 'https://chrome-swarming.appspot.com',
     },
@@ -92,6 +95,9 @@
       'testing': {
         'platform': 'mac',
       },
+      'tests': {
+        steps.SizesStep(RESULTS_URL, 'mac-google-rel')
+      },
       'isolate_server': 'https://chrome-isolated.appspot.com',
       'swarming_server': 'https://chrome-swarming.appspot.com',
     },
@@ -108,6 +114,9 @@
       'testing': {
         'platform': 'win',
       },
+      'tests': {
+        steps.SizesStep(RESULTS_URL, 'win-google-rel')
+      },
       'isolate_server': 'https://chrome-isolated.appspot.com',
       'swarming_server': 'https://chrome-swarming.appspot.com',
     },