📰 Let the backend trigger sign in related refreshes

chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageAdapter.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageAdapter.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageAdapter.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageAdapter.java
index 00a3a2ebca0a7d4a4b470a9af769b5339a4650d0..f9ff44e5560c7fd4907dc4ff8127b7bc4b40a16a 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageAdapter.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/NewTabPageAdapter.java
@@ -170,7 +170,7 @@ public void onItemRangeRemoved(TreeNode child, int index, int count) {
             }
         };
 
-        mSigninPromo = new SignInPromo(mRoot, this);
+        mSigninPromo = new SignInPromo(mRoot);
         mAllDismissed = new AllDismissedItem(mRoot);
         mFooter = new Footer(mRoot);
         DestructionObserver signInObserver = mSigninPromo.getObserver();
@@ -299,9 +299,7 @@ public void onCategoryStatusChanged(@CategoryInt int category, @CategoryStatusEn
                 return;
 
             case CategoryStatus.SIGNED_OUT:
-                resetSection(category, status, /*alwaysAllowEmptySections=*/false);
-                return;
-
+                // TODO(dgn): We currently can only reach this through an old variation parameter.
             default:
                 mSections.get(category).setStatus(status);
                 return;
@@ -315,6 +313,11 @@ public void onSuggestionInvalidated(@CategoryInt int category, String idWithinCa
     }
 
     @Override
+    public void onFullRefreshRequired() {
+        resetSections(/*alwaysAllowEmptySections=*/false);
+    }
+
+    @Override
     @ItemViewType
     public int getItemViewType(int position) {
         return mRoot.getItemViewType(position);