Pass UIImage instead of gfx::Image in 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 10 matching lines @@
 #import "ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_stack_item.h"
 #import "ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_text_item.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestion.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_data_sink.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_data_source.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_image_fetcher.h"
 #import "ios/chrome/browser/ui/content_suggestions/content_suggestions_view_controller.h"
 #import "ios/chrome/browser/ui/content_suggestions/identifier/content_suggestion_identifier.h"
 #import "ios/chrome/browser/ui/content_suggestions/identifier/content_suggestions_section_information.h"
 #include "ui/base/l10n/l10n_util.h"
-#include "ui/gfx/image/image.h"
 #include "url/gurl.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 namespace {
 
 using CSCollectionViewItem =
     CollectionViewItem<ContentSuggestionIdentification>;
@@ skipping 303 matching lines @@
 }
 
 #pragma mark - ContentSuggestionsArticleItemDelegate
 
 - (void)loadImageForArticleItem:(ContentSuggestionsArticleItem*)articleItem {
   NSInteger sectionIdentifier =
       SectionIdentifierForInfo(articleItem.suggestionIdentifier.sectionInfo);
 
   __weak ContentSuggestionsCollectionUpdater* weakSelf = self;
   __weak ContentSuggestionsArticleItem* weakArticle = articleItem;
-  void (^imageFetchedCallback)(const gfx::Image&) = ^(const gfx::Image& image) {
-    if (image.IsEmpty()) {
-      return;
-    }
 
+  void (^imageFetchedCallback)(UIImage*) = ^(UIImage* image) {
     ContentSuggestionsCollectionUpdater* strongSelf = weakSelf;
     ContentSuggestionsArticleItem* strongArticle = weakArticle;
     if (!strongSelf || !strongArticle) {
       return;
     }
 
-    strongArticle.image = image.CopyUIImage();
+    strongArticle.image = image;
     [strongSelf.collectionViewController
         reconfigureCellsForItems:@[ strongArticle ]
          inSectionWithIdentifier:sectionIdentifier];
   };
 
   [self.dataSource.imageFetcher
       fetchImageForSuggestion:articleItem.suggestionIdentifier
                      callback:imageFetchedCallback];
 }
 
@@ skipping 94 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