Test Physical Web upgrade path

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java

Index: chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java
index 2e075ff0e1a928182e12b87fa425c5a307b35f3b..0273cd8cf457ef1646f1b308108275028bd6c872 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/physicalweb/UrlManager.java
@@ -300,21 +300,21 @@ class UrlManager {
     }
 
     private void initSharedPreferences() {
-        SharedPreferences prefs = ContextUtils.getAppSharedPreferences();
-        int prefsVersion = prefs.getInt(PREFS_VERSION_KEY, 0);
-
         // Check the version.
-        if (prefsVersion != PREFS_VERSION) {
+        final SharedPreferences prefs = ContextUtils.getAppSharedPreferences();
+        if (prefs.getInt(PREFS_VERSION_KEY, 0) != PREFS_VERSION) {
             // Stored preferences are old, upgrade to the current version.
             // TODO(cco3): This code may be deleted around m53.
-            prefs.edit().putInt(PREFS_VERSION_KEY, PREFS_VERSION);
             new AsyncTask<Void, Void, Void>() {
                 @Override
                 protected Void doInBackground(Void... params) {
-                    mContext.getSharedPreferences(DEPRECATED_PREFS_NAME, Context.MODE_PRIVATE)
-                            .edit()
+                    mContext.getSharedPreferences(
+                            DEPRECATED_PREFS_NAME, Context.MODE_PRIVATE).edit()
                             .clear()
                             .apply();
+                    prefs.edit()
+                            .putInt(PREFS_VERSION_KEY, PREFS_VERSION)
+                            .apply();
                     return null;
                 }
             }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
@@ -565,4 +565,14 @@ class UrlManager {
                 .remove(PREFS_NOTIFICATION_UPDATE_TIMESTAMP)
                 .apply();
     }
+
+    @VisibleForTesting
+    static String getVersionKey() {
+        return PREFS_VERSION_KEY;
+    }
+
+    @VisibleForTesting
+    static int getVersion() {
+        return PREFS_VERSION;
+    }
 }