1 files changed, 4 insertions, 6 deletions
diff --git a/webkit/tools/layout_tests/run_webkit_tests.py b/webkit/tools/layout_tests/run_webkit_tests.py
index a209bdb..1b09bd2 100755
--- a/webkit/tools/layout_tests/run_webkit_tests.py
+++ b/webkit/tools/layout_tests/run_webkit_tests.py
@@ -514,18 +514,16 @@ class TestRunner:
 
     # Start up any helper needed
     layout_test_helper_proc = None
-    if sys.platform in ('darwin'):
-      # Mac uses a helper for manging the color sync profile for pixel tests.
-      if not options.no_pixel_tests:
-        helper_path = \
-            path_utils.LayoutTestHelperBinaryPath(self._options.target)
+    if not options.no_pixel_tests:
+      helper_path = path_utils.LayoutTestHelperBinaryPath(self._options.target)
+      if len(helper_path):
         logging.info("Starting layout helper %s" % helper_path)
         layout_test_helper_proc = subprocess.Popen([helper_path],
                                                    stdin=subprocess.PIPE,
                                                    stdout=subprocess.PIPE,
                                                    stderr=None)
         is_ready = layout_test_helper_proc.stdout.readline()
-        if is_ready != 'ready\n':
+        if not is_ready.startswith('ready'):
           logging.error("layout_test_helper failed to be ready")
 
     threads = self._InstantiateTestShellThreads(test_shell_binary)