Fetch Suggestions by category

ios/chrome/browser/ui/content_suggestions/content_suggestions_data_source.h

 // Copyright 2017 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 IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_DATA_SOURCE_H_
 #define IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_DATA_SOURCE_H_
 
 @class ContentSuggestion;
 @protocol ContentSuggestionsDataSink;
 @protocol ContentSuggestionsImageFetcher;
+@class ContentSuggestionsSectionInformation;

[stkhapugin, 2017/03/14 15:25:12]

move to line 9 to group @class

[gambard, 2017/03/14 16:05:30]

Done.

 
 // DataSource for the content suggestions. Provides the suggestions data in a
 // format compatible with Objective-C.
 @protocol ContentSuggestionsDataSource
 
 // The data sink that will be notified when the data change.
 @property(nonatomic, weak) id<ContentSuggestionsDataSink> dataSink;
 
 // Returns all the data currently available. Returns an empty array if nothing
 // is available.
 - (NSArray<ContentSuggestion*>*)allSuggestions;
 
+// Returns the data currently available for the section identified by
+// |sectionInfo|. Returns an empty array if nothing is available.
+- (NSArray<ContentSuggestion*>*)suggestionsForSection:

[stkhapugin, 2017/03/14 15:25:12]

Consider nullability identifiers in this section :) 

[gambard, 2017/03/14 16:05:30]

Done :)

+    (ContentSuggestionsSectionInformation*)sectionInfo;
+
 // Returns an image updater for the suggestions provided by this data source.
 - (id<ContentSuggestionsImageFetcher>)imageFetcher;
 
 @end
 
 #endif  // IOS_CHROME_BROWSER_UI_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_DATA_SOURCE_H_