Suggested Articles can be dismissed

ios/chrome/browser/content_suggestions/content_suggestions_mediator.h

Index: ios/chrome/browser/content_suggestions/content_suggestions_mediator.h
diff --git a/ios/chrome/browser/content_suggestions/content_suggestions_mediator.h b/ios/chrome/browser/content_suggestions/content_suggestions_mediator.h
index f53553a0aa4acab352422e97cf67a1a722e4da71..ea78098d4b3b551c6c3472ef958973d9ec912d20 100644
--- a/ios/chrome/browser/content_suggestions/content_suggestions_mediator.h
+++ b/ios/chrome/browser/content_suggestions/content_suggestions_mediator.h
@@ -14,6 +14,8 @@ namespace ntp_snippets {
 class ContentSuggestionsService;
 }
 
+@class ContentSuggestionIdentifier;
+
 // Mediator for ContentSuggestions. Makes the interface between a
 // ntp_snippets::ContentSuggestionsService and the Objective-C services using
 // its data.
@@ -25,6 +27,8 @@ class ContentSuggestionsService;
     NS_DESIGNATED_INITIALIZER;
 - (instancetype)init NS_UNAVAILABLE;
 
+- (void)dismissSuggestion:(ContentSuggestionIdentifier*)suggestionIdentifier;

[lpromero, 2017/03/06 10:29:00]

Add a comment that UI code calls this to remove the suggestion from the content
service. Otherwise it could 
be ambiguous.

[gambard, 2017/03/06 12:16:00]

It should not be ambiguous as the mediator does not have a reference to the UI
(by design) :)
I have added a comment.

+
 @end
 
 #endif  // IOS_CHROME_BROWSER_CONTENT_SUGGESTIONS_CONTENT_SUGGESTIONS_MEDIATOR_H_