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

chrome/android/java/src/org/chromium/chrome/browser/gsa/ContextReporter.java

Index: chrome/android/java/src/org/chromium/chrome/browser/gsa/ContextReporter.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/gsa/ContextReporter.java b/chrome/android/java/src/org/chromium/chrome/browser/gsa/ContextReporter.java
index c40337ffecb05f4827c19f2ebed811977f252e24..394e0f4c7f7ad03b79b3b83c30acf23403a3e224 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/gsa/ContextReporter.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/gsa/ContextReporter.java
@@ -212,7 +212,7 @@ public class ContextReporter {
      * Records an appropriate status via UMA given the current sync status.
      */
     public static void reportSyncStatus(@Nullable ProfileSyncService syncService) {
-        if (syncService == null || !syncService.isBackendInitialized()) {
+        if (syncService == null || !syncService.isEngineInitialized()) {
             reportStatus(STATUS_SYNC_NOT_INITIALIZED);
         } else if (!syncService.getActiveDataTypes().contains(ModelType.TYPED_URLS)) {
             reportStatus(STATUS_SYNC_NOT_SYNCING_URLS);