Add ContentSuggestionsCategoryFactory; Store categories as ints

chrome/browser/android/ntp/ntp_snippets_bridge.h

Index: chrome/browser/android/ntp/ntp_snippets_bridge.h
diff --git a/chrome/browser/android/ntp/ntp_snippets_bridge.h b/chrome/browser/android/ntp/ntp_snippets_bridge.h
index 3c06440f343700ffdff5a1e89d6e40d4a294b0e0..c6ece44405fa51d7bdc4a0512ce631365cc030e9 100644
--- a/chrome/browser/android/ntp/ntp_snippets_bridge.h
+++ b/chrome/browser/android/ntp/ntp_snippets_bridge.h
@@ -78,6 +78,8 @@ class NTPSnippetsBridge
                  ntp_snippets::ContentSuggestionsService::Observer>
       content_suggestions_service_observer_;
 
+  ntp_snippets::ContentSuggestionsCategoryFactory* category_factory_;

[Marc Treib, 2016/07/28 11:41:45]

Any particular reason for storing this separately, rather than just getting it
from the service when you need it?

[Philipp Keck, 2016/07/28 13:50:53]

Done.

+
   // Used to notify the Java side when new snippets have been fetched.
   base::android::ScopedJavaGlobalRef<jobject> observer_;