Add a message to empty ContentSuggestions sections

ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.h

Index: ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.h
diff --git a/ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.h b/ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.h
index d73e065167f8c1d915ad252040ea99d1a31b0130..bfa793af06e6c8545934ecb8a381bab27294899f 100644
--- a/ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.h
+++ b/ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.h
@@ -43,6 +43,11 @@ typedef NS_ENUM(NSInteger, ContentSuggestionsSectionID) {
 @property(nonatomic, copy) NSString* title;
 // Title of the section's footer. If it is nil, no footer is created.
 @property(nonatomic, copy) NSString* footerTitle;
+// Text to be displayed when the section is empty.
+@property(nonatomic, copy) NSString* emptyText;
+// If the section should be shown when empty. If the section becomes empty
+// because the user dismissed suggestions, it should be shown in either cases.

[lpromero, 2017/03/23 10:54:37]

Regarding the last sentence, does that means that this property will be updated
to reflect that, or that the property will not be honored in that case?

[gambard, 2017/03/23 15:25:49]

The property will not be honored.

+@property(nonatomic, assign) BOOL showIfEmpty;
 
 @end