Add wptrunner chrome args for DBSC tests (#57690)

Author: thefrog-gh

tools/wptrunner/wptrunner/browsers/chrome.py

@@ -148,6 +148,12 @@ def executor_kwargs(logger, test_type, test_environment, run_info_data, subsuite
     # This is needed to test extensions, PWA, compilation caches that
     # require local CDP access.
     chrome_options["args"].append("--remote-debugging-pipe")
+    # For Device Bound Session Credentials tests.
+    chrome_options["args"].append("--enable-features=" + ",".join([
+        "EnableBoundSessionCredentialsSoftwareKeysForManualTesting",
+        "DeviceBoundSessions:RefreshQuota/false/RequireOriginTrialTokens/false",
+        "DeviceBoundSessionsFederatedRegistration",
+    ]))
 
     # Classify `http-local`, `http-public` and https variants in the
     # appropriate IP address spaces.