Add ContentSuggestionsCategoryFactory; Store categories as ints

chrome/browser/android/ntp/ntp_snippets_bridge.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_NTP_NTP_SNIPPETS_BRIDGE_H_
 #define CHROME_BROWSER_ANDROID_NTP_NTP_SNIPPETS_BRIDGE_H_
 
 #include <jni.h>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 60 matching lines @@
                       const gfx::Image& image);
 
   ntp_snippets::ContentSuggestionsService* content_suggestions_service_;
   history::HistoryService* history_service_;
   base::CancelableTaskTracker tracker_;
 
   ScopedObserver<ntp_snippets::ContentSuggestionsService,
                  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_;
 
   base::WeakPtrFactory<NTPSnippetsBridge> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NTPSnippetsBridge);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_NTP_NTP_SNIPPETS_BRIDGE_H_