Add an ID to the ContentSuggestion

ios/chrome/browser/ui/content_suggestions/content_suggestion.mm

 // 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.
 
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestion.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 @implementation ContentSuggestion
 
 @synthesize title = _title;
 @synthesize image = _image;
 @synthesize text = _text;
 @synthesize url = _url;
-@synthesize section = _section;
+@synthesize suggestionID = _suggestionID;
 @synthesize type = _type;
 
 @end