Fix the ContentSuggestionsCell reuse cleanup

ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_cell.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/cells/content_suggestions_cell.h"
 
 #import "ios/chrome/browser/ui/colors/MDCPalette+CrAdditions.h"
 #import "ios/chrome/browser/ui/favicon/favicon_view.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 #import "ios/chrome/browser/ui/util/i18n_string.h"
@@ skipping 194 matching lines @@
     self.imageTitleSpacing.constant = 0;
     self.imageSize.constant = 0;
     self.imageContainer.hidden = YES;
   }
   _displayImage = displayImage;
 }
 
 #pragma mark - UICollectionViewCell
 
 - (void)prepareForReuse {
-  self.contentImageView.hidden = YES;
+  self.titleLabel.text = nil;
+  [self setSubtitleText:nil];
+  self.displayImage = NO;
 }
 
 #pragma mark - UIView
 
 // Implements -layoutSubviews as per instructions in documentation for
 // +[MDCCollectionViewCell cr_preferredHeightForWidth:forItem:].
 - (void)layoutSubviews {
   [super layoutSubviews];
 
   // Adjust the text label preferredMaxLayoutWidth when the parent's width
@@ skipping 92 matching lines @@
         @"title" : _titleLabel,
         @"text" : _subtitleLabel,
         @"additional" : _additionalInformationLabel,
         @"favicon" : _faviconView,
       },
       @{ @"space" : @(kStandardSpacing),
          @"small" : @(kSmallSpacing) });
 }
 
 @end