[NTP Snippets] Unschedule fetches when the service should be disabled

chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageView.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageView.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageView.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageView.java
index 40a95d1be6cb6d2485186b384db40ecd5f14b356..7eb7c7e9f41ffbb225a546ac4dd4b4ad3df5b0ab 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageView.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageView.java
@@ -480,6 +480,10 @@ public int getViewCountMatchingViewType(
      * Change the peeking card's width, padding and children's opacity to give a smooth transition.
      */
     private void updatePeekingCard() {
+        // TODO(dgn): got a ClassCastException here. No idea how that's possible.
+        // Returns the spacing item instead of the first snippet.
+        // Happened when I disabled sync, then went back to the ntp
+
         // Get the first snippet that could display to make the peeking card transition.
         ViewGroup firstSnippet =
                 (ViewGroup) getFirstViewMatchingViewType(NewTabPageListItem.VIEW_TYPE_SNIPPET);