easy-unlock: Make policy fully override field trial.

chrome/browser/signin/easy_unlock_service.cc

Index: chrome/browser/signin/easy_unlock_service.cc
diff --git a/chrome/browser/signin/easy_unlock_service.cc b/chrome/browser/signin/easy_unlock_service.cc
index b86a311f0cd9d35ad9c4f2e0abbf89c377a19479..b7812f64181ca0004bd2ec12ba27c920a19b7545 100644
--- a/chrome/browser/signin/easy_unlock_service.cc
+++ b/chrome/browser/signin/easy_unlock_service.cc
@@ -196,9 +196,12 @@ bool EasyUnlockService::IsAllowed() {
   if (!profile_->GetPrefs()->GetBoolean(prefs::kEasyUnlockAllowed))
     return false;
 
-  // It is disabled when the trial exists and is in "Disable" group.
-  if (base::FieldTrialList::FindFullName("EasyUnlock") == "Disable")
-    return false;
+  // Respect existing policy and skip finch test.
+  if (!profile_->GetPrefs()->IsManagedPreference(prefs::kEasyUnlockAllowed)) {
+    // It is disabled when the trial exists and is in "Disable" group.
+    if (base::FieldTrialList::FindFullName("EasyUnlock") == "Disable")
+      return false;
+  }
 
   if (!bluetooth_detector_->IsPresent())
     return false;