[NTP Client] Make the SignInPromo update on SignInAllowed changes

chrome/android/javatests/src/org/chromium/chrome/browser/ntp/snippets/ArticleSnippetsTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/ntp/snippets/ArticleSnippetsTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/ntp/snippets/ArticleSnippetsTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/ntp/snippets/ArticleSnippetsTest.java
index 9aeeb29af09a56cbc8710952aae5ff158c75f07c..87d443d63b914e1f006a592b0c55c9070c4759da 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/ntp/snippets/ArticleSnippetsTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/ntp/snippets/ArticleSnippetsTest.java
@@ -25,13 +25,13 @@
 import org.chromium.chrome.browser.favicon.LargeIconBridge.LargeIconCallback;
 import org.chromium.chrome.browser.ntp.LogoBridge.LogoObserver;
 import org.chromium.chrome.browser.ntp.MostVisitedItem;
+import org.chromium.chrome.browser.ntp.NewTabPage.DestructionObserver;
 import org.chromium.chrome.browser.ntp.NewTabPageView.NewTabPageManager;
 import org.chromium.chrome.browser.ntp.UiConfig;
 import org.chromium.chrome.browser.ntp.cards.NewTabPageAdapter;
 import org.chromium.chrome.browser.ntp.cards.NewTabPageRecyclerView;
 import org.chromium.chrome.browser.ntp.cards.SuggestionsCategoryInfo;
 import org.chromium.chrome.browser.profiles.MostVisitedSites.MostVisitedURLsObserver;
-import org.chromium.chrome.browser.signin.SigninManager.SignInStateObserver;
 import org.chromium.chrome.test.ChromeActivityTestCaseBase;
 import org.chromium.chrome.test.util.RenderUtils.ViewRenderer;
 
@@ -353,7 +353,7 @@ public SuggestionsSource getSuggestionsSource() {
         }
 
         @Override
-        public void registerSignInStateObserver(SignInStateObserver signInStateObserver) {}
+        public void setDestructionObserver(DestructionObserver destructionObserver) {}
 
         @Override
         public void closeContextMenu() {