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..c4509a3de3aeab503649e6cb394e0c155ceebc57 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 {
 
@@ -128,7 +129,8 @@ void NTPSnippetsBridge::SnippetVisited(JNIEnv* env,
 int NTPSnippetsBridge::GetCategoryStatus(JNIEnv* env,
                                          const JavaParamRef<jobject>& obj) {
   return static_cast<int>(content_suggestions_service_->GetCategoryStatus(
-      ContentSuggestionsCategory::ARTICLES));
+      content_suggestions_service_->category_factory()->FromKnownCategory(
+          KnownSuggestionsCategories::ARTICLES)));
 }
 
 NTPSnippetsBridge::~NTPSnippetsBridge() {}
@@ -190,7 +192,7 @@ void NTPSnippetsBridge::OnNewSuggestions() {
 void NTPSnippetsBridge::OnCategoryStatusChanged(
     ContentSuggestionsCategory category,
     ContentSuggestionsCategoryStatus new_status) {
-  if (category != ContentSuggestionsCategory::ARTICLES)
+  if (!category.IsKnownCategory(KnownSuggestionsCategories::ARTICLES))
     return;
 
   JNIEnv* env = base::android::AttachCurrentThread();