Layout Most Visited for ContentSuggestions

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

 // 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.
 
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_collection_updater.h"
 
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/time/time.h"
@@ skipping 324 matching lines @@
   CSCollectionViewModel* model =
       self.collectionViewController.collectionViewModel;
   NSInteger sectionIdentifier = [model sectionIdentifierForSection:section];
   ContentSuggestionsSectionInformation* sectionInfo =
       self.sectionInfoBySectionIdentifier[@(sectionIdentifier)];
 
   CSCollectionViewItem* item = [self emptyItemForSectionInfo:sectionInfo];
   return [self addItem:item toSectionWithIdentifier:sectionIdentifier];
 }
 
+- (BOOL)isMostVisitedSection:(NSInteger)section {
+  return
+      [self.collectionViewController.collectionViewModel
+          sectionIdentifierForSection:section] == SectionIdentifierMostVisited;
+}
+
 #pragma mark - SuggestedContentDelegate
 
 - (void)loadImageForSuggestedItem:(CSCollectionViewItem*)suggestedItem {
   __weak ContentSuggestionsCollectionUpdater* weakSelf = self;
   __weak CSCollectionViewItem* weakItem = suggestedItem;
 
   void (^imageFetchedCallback)(UIImage*) = ^(UIImage* image) {
     ContentSuggestionsCollectionUpdater* strongSelf = weakSelf;
     CSCollectionViewItem* strongItem = weakItem;
     if (!strongSelf || !strongItem) {
@@ skipping 166 matching lines @@
   CSCollectionViewModel* model =
       self.collectionViewController.collectionViewModel;
   NSInteger section = [model sectionForSectionIdentifier:sectionIdentifier];
   NSInteger itemNumber = [model numberOfItemsInSection:section];
   [model addItem:item toSectionWithIdentifier:sectionIdentifier];
 
   return [NSIndexPath indexPathForItem:itemNumber inSection:section];
 }
 
 @end