Support server categories in NTPSnippetsService.

components/ntp_snippets/ntp_snippets_database.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_NTP_SNIPPETS_DATABASE_H_
 #define COMPONENTS_NTP_SNIPPETS_NTP_SNIPPETS_DATABASE_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 11 matching lines @@
 }
 
 namespace ntp_snippets {
 
 class SnippetImageProto;
 class SnippetProto;
 
 class NTPSnippetsDatabase {
  public:
   using SnippetsCallback = base::Callback<void(NTPSnippet::PtrVector)>;
-  using SnippetImageCallback = base::Callback<void(std::string)>;
+  using SnippetImageCallback = base::Callback<void(std::string suggestion_id)>;
 
   NTPSnippetsDatabase(
       const base::FilePath& database_dir,
       scoped_refptr<base::SequencedTaskRunner> file_task_runner);
   ~NTPSnippetsDatabase();
 
   // Returns whether the database has finished initialization. While this is
   // false, loads may already be started (they'll be serviced after
   // initialization finishes), but no updates are allowed.
   bool IsInitialized() const;
@@ skipping 13 matching lines @@
   // Adds or updates all the given snippets.
   void SaveSnippets(const NTPSnippet::PtrVector& snippets);
 
   // Deletes the snippet with the given ID, and its image.
   void DeleteSnippet(const std::string& snippet_id);
   // Deletes all the given snippets (identified by their IDs) and their images.
   void DeleteSnippets(const NTPSnippet::PtrVector& snippets);
 
   // Loads the image data for the snippet with the given ID and passes it to
   // |callback|. Passes an empty string if not found.
-  void LoadImage(const std::string& snippet_id,
+  void LoadImage(const std::string& suggestion_id,
                  const SnippetImageCallback& callback);
 
   // Adds or updates the image data for the given snippet ID.
-  void SaveImage(const std::string& snippet_id, const std::string& image_data);
+  void SaveImage(const std::string& suggestion_id,
+                 const std::string& image_data);
 
   // Deletes the image data for the given snippet ID.
-  void DeleteImage(const std::string& snippet_id);
+  void DeleteImage(const std::string& suggestion_id);
 
  private:
   friend class NTPSnippetsDatabaseTest;
 
   using KeyEntryVector =
       leveldb_proto::ProtoDatabase<SnippetProto>::KeyEntryVector;
 
   using ImageKeyEntryVector =
       leveldb_proto::ProtoDatabase<SnippetImageProto>::KeyEntryVector;
 
@@ skipping 13 matching lines @@
 
   void OnDatabaseError();
 
   void ProcessPendingLoads();
 
   void LoadSnippetsImpl(const SnippetsCallback& callback);
   void SaveSnippetsImpl(std::unique_ptr<KeyEntryVector> entries_to_save);
   void DeleteSnippetsImpl(
       std::unique_ptr<std::vector<std::string>> keys_to_remove);
 
-  void LoadImageImpl(const std::string& snippet_id,
+  void LoadImageImpl(const std::string& suggestion_id,
                      const SnippetImageCallback& callback);
   void DeleteImagesImpl(
       std::unique_ptr<std::vector<std::string>> keys_to_remove);
 
   std::unique_ptr<leveldb_proto::ProtoDatabase<SnippetProto>> database_;
   bool database_initialized_;
   std::vector<SnippetsCallback> pending_snippets_callbacks_;
 
   std::unique_ptr<leveldb_proto::ProtoDatabase<SnippetImageProto>>
       image_database_;
   bool image_database_initialized_;
   std::vector<std::pair<std::string, SnippetImageCallback>>
       pending_image_callbacks_;
 
   base::Closure error_callback_;
 
   base::WeakPtrFactory<NTPSnippetsDatabase> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NTPSnippetsDatabase);
 };
 
 }  // namespace ntp_snippets
 
 #endif  // COMPONENTS_NTP_SNIPPETS_NTP_SNIPPETS_DATABASE_H_