[Sync] SyncEngine 1.5: Fix all backend references in PSS.

components/autofill/core/browser/autofill_experiments.cc

Index: components/autofill/core/browser/autofill_experiments.cc
diff --git a/components/autofill/core/browser/autofill_experiments.cc b/components/autofill/core/browser/autofill_experiments.cc
index e066d854f553a70cb1ea3078c5af875c8b5321b0..788abe08fb547829a3e81643bd294b46303ca003 100644
--- a/components/autofill/core/browser/autofill_experiments.cc
+++ b/components/autofill/core/browser/autofill_experiments.cc
@@ -110,7 +110,7 @@ bool IsCreditCardUploadEnabled(const PrefService* pref_service,
   // available to other Google systems, disable it for passphrase users.
   // We can't determine the passphrase state until the sync backend is
   // initialized so disable upload if sync is not yet available.
-  if (!sync_service->IsBackendInitialized() ||
+  if (!sync_service->IsEngineInitialized() ||
       sync_service->IsUsingSecondaryPassphrase()) {
     return false;
   }