Add ContentSuggestionsCategoryFactory; Store categories as ints

chrome/browser/android/ntp/ntp_snippets_bridge.cc

Index: chrome/browser/android/ntp/ntp_snippets_bridge.cc
diff --git a/chrome/browser/android/ntp/ntp_snippets_bridge.cc b/chrome/browser/android/ntp/ntp_snippets_bridge.cc
index 5f9cbf85b7f411f2d3751301aee002ac1df9f7ea..5d0ff303a90cb693389641b0527a88da246b9fb2 100644
--- a/chrome/browser/android/ntp/ntp_snippets_bridge.cc
+++ b/chrome/browser/android/ntp/ntp_snippets_bridge.cc
@@ -34,6 +34,7 @@ using base::android::ScopedJavaGlobalRef;
 using base::android::ScopedJavaLocalRef;
 using ntp_snippets::ContentSuggestionsCategory;
 using ntp_snippets::ContentSuggestionsCategoryStatus;
+using ntp_snippets::KnownSuggestionsCategories;
 
 namespace {
 
@@ -81,6 +82,7 @@ NTPSnippetsBridge::NTPSnippetsBridge(JNIEnv* env,
       HistoryServiceFactory::GetForProfile(profile,
                                            ServiceAccessType::EXPLICIT_ACCESS);
   content_suggestions_service_observer_.Add(content_suggestions_service_);
+  category_factory_ = content_suggestions_service_->category_factory();
 }
 
 void NTPSnippetsBridge::Destroy(JNIEnv* env, const JavaParamRef<jobject>& obj) {
@@ -128,7 +130,8 @@ void NTPSnippetsBridge::SnippetVisited(JNIEnv* env,
 int NTPSnippetsBridge::GetCategoryStatus(JNIEnv* env,
                                          const JavaParamRef<jobject>& obj) {
   return static_cast<int>(content_suggestions_service_->GetCategoryStatus(
-      ContentSuggestionsCategory::ARTICLES));
+      category_factory_->FromKnownCategory(
+          KnownSuggestionsCategories::ARTICLES)));
 }
 
 NTPSnippetsBridge::~NTPSnippetsBridge() {}
@@ -190,7 +193,7 @@ void NTPSnippetsBridge::OnNewSuggestions() {
 void NTPSnippetsBridge::OnCategoryStatusChanged(
     ContentSuggestionsCategory category,
     ContentSuggestionsCategoryStatus new_status) {
-  if (category != ContentSuggestionsCategory::ARTICLES)
+  if (category != KnownSuggestionsCategories::ARTICLES)
     return;
 
   JNIEnv* env = base::android::AttachCurrentThread();