Add CategoryInfo for meta information of content suggestions Categories

components/ntp_snippets/content_suggestions_provider.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 COMPONENTS_NTP_SNIPPETS_CONTENT_SUGGESTIONS_PROVIDER_H_
 #define COMPONENTS_NTP_SNIPPETS_CONTENT_SUGGESTIONS_PROVIDER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "components/ntp_snippets/category.h"
+#include "components/ntp_snippets/category_info.h"
 #include "components/ntp_snippets/category_status.h"
 #include "components/ntp_snippets/content_suggestion.h"
 
 namespace gfx {
 class Image;
 }
 
 namespace ntp_snippets {
 
 // Provides content suggestions from one particular source.
@@ skipping 47 matching lines @@
   // Returns the categories provided by this provider.
   // When the set of provided categories changes, the Observer is notified
   // through |OnNewSuggestions| or |OnCategoryStatusChanged| for added
   // categories, and through |OnCategoryStatusChanged| with parameter
   // NOT_PROVIDED for removed categories.
   virtual std::vector<Category> GetProvidedCategories() = 0;
 
   // Determines the status of the given |category|, see CategoryStatus.
   virtual CategoryStatus GetCategoryStatus(Category category) = 0;
 
+  // Returns the meta information for the given |category|.
+  virtual CategoryInfo GetCategoryInfo(Category category) = 0;
+
   // Dismisses the suggestion with the given ID. A provider needs to ensure that
   // a once-dismissed suggestion is never delivered again (through the
   // Observer). The provider must not call Observer::OnSuggestionsChanged if the
   // removal of the dismissed suggestion is the only change.
   virtual void DismissSuggestion(const std::string& suggestion_id) = 0;
 
   // Fetches the image for the suggestion with the given ID and returns it
   // through the callback. This fetch may occur locally or from the internet.
   // If that suggestion doesn't exist, doesn't have an image or if the fetch
   // fails, the callback gets a null image.
@@ skipping 30 matching lines @@
   CategoryFactory* category_factory() const { return category_factory_; }
 
  private:
   Observer* observer_;
   CategoryFactory* category_factory_;
 };
 
 }  // namespace ntp_snippets
 
 #endif  // COMPONENTS_NTP_SNIPPETS_CONTENT_SUGGESTIONS_PROVIDER_H_