Cleanup ContentSuggestions cells

ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_button_item.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_text_item.h"
+#import "ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_button_item.h"
 
-#import "ios/chrome/browser/ui/content_suggestions/content_suggestions_text_item_actions.h"
+#import "ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_button_item_actions.h"
 #import "ios/third_party/material_components_ios/src/components/Palettes/src/MaterialPalettes.h"
 #import "ios/third_party/material_components_ios/src/components/Typography/src/MaterialTypography.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
-@interface ContentSuggestionsTextItem ()
+@interface ContentSuggestionsButtonItem ()
 
 @property(nonatomic, copy) NSString* title;
 @property(nonatomic, copy) NSString* subtitle;
 
 @end
 
-@implementation ContentSuggestionsTextItem
+@implementation ContentSuggestionsButtonItem
 
 @synthesize title = _title;
 @synthesize subtitle = _subtitle;
 
 - (instancetype)initWithType:(NSInteger)type
                        title:(NSString*)title
                     subtitle:(NSString*)subtitle {
   self = [super initWithType:type];
   if (self) {
-    self.cellClass = [ContentSuggestionsTextCell class];
+    self.cellClass = [ContentSuggestionsButtonCell class];
     _title = [title copy];
     _subtitle = [subtitle copy];
   }
   return self;
 }
 
 #pragma mark - CollectionViewItem
 
-- (void)configureCell:(ContentSuggestionsTextCell*)cell {
+- (void)configureCell:(ContentSuggestionsButtonCell*)cell {
   [super configureCell:cell];
   [cell.titleButton setTitle:self.title forState:UIControlStateNormal];
   cell.detailTextLabel.text = self.subtitle;
 }
 
 @end
 
-#pragma mark - ContentSuggestionsTextCell
+#pragma mark - ContentSuggestionsButtonCell
 
-@implementation ContentSuggestionsTextCell
+@implementation ContentSuggestionsButtonCell
 
 @synthesize titleButton = _titleButton;
 @synthesize detailTextLabel = _detailTextLabel;
 
 - (instancetype)initWithFrame:(CGRect)frame {
   self = [super initWithFrame:frame];
   if (self) {
     id<MDCTypographyFontLoading> fontLoader = [MDCTypography fontLoader];
     _titleButton = [UIButton buttonWithType:UIButtonTypeSystem];
     _titleButton.titleLabel.font = [fontLoader mediumFontOfSize:16];
@@ skipping 26 matching lines @@
       [self.contentView.bottomAnchor
           constraintEqualToAnchor:labelsStack.bottomAnchor]
     ]];
 
     self.backgroundColor = [UIColor whiteColor];
   }
   return self;
 }
 
 @end