Use MDCTypography instead of MDFRobotoFontLoader directly.

ios/chrome/browser/ui/collection_view/cells/collection_view_text_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/collection_view/cells/collection_view_text_item.h"
 
 #import "ios/chrome/browser/ui/collection_view/cells/collection_view_text_cell.h"
 #import "ios/third_party/material_components_ios/src/components/Palettes/src/MaterialPalettes.h"
-#import "ios/third_party/material_roboto_font_loader_ios/src/src/MaterialRobotoFontLoader.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
 
 @implementation CollectionViewTextItem
 
 @synthesize accessoryType = _accessoryType;
 @synthesize text = _text;
 @synthesize detailText = _detailText;
 @synthesize textFont = _textFont;
 @synthesize textColor = _textColor;
 @synthesize numberOfTextLines = _numberOfTextLines;
 @synthesize detailTextFont = _detailTextFont;
 @synthesize detailTextColor = _detailTextColor;
 @synthesize numberOfDetailTextLines = _numberOfDetailTextLines;
 
 - (instancetype)initWithType:(NSInteger)type {
   self = [super initWithType:type];
   if (self) {
     self.cellClass = [CollectionViewTextCell class];
     _numberOfTextLines = 1;
     _numberOfDetailTextLines = 1;
   }
   return self;
 }
 
 - (UIFont*)textFont {
   if (!_textFont) {
-    _textFont = [[MDFRobotoFontLoader sharedInstance] mediumFontOfSize:14];
+    _textFont = [MDCTypography body2Font];
   }
   return _textFont;
 }
 
 - (UIColor*)textColor {
   if (!_textColor) {
     _textColor = [[MDCPalette greyPalette] tint900];
   }
   return _textColor;
 }
 
 - (UIFont*)detailTextFont {
   if (!_detailTextFont) {
-    _detailTextFont =
-        [[MDFRobotoFontLoader sharedInstance] regularFontOfSize:14];
+    _detailTextFont = [MDCTypography body1Font];
   }
   return _detailTextFont;
 }
 
 - (UIColor*)detailTextColor {
   if (!_detailTextColor) {
     _detailTextColor = [[MDCPalette greyPalette] tint500];
   }
   return _detailTextColor;
 }
@@ skipping 20 matching lines @@
   // Styling.
   cell.textLabel.font = self.textFont;
   cell.textLabel.textColor = self.textColor;
   cell.textLabel.numberOfLines = self.numberOfTextLines;
   cell.detailTextLabel.font = self.detailTextFont;
   cell.detailTextLabel.textColor = self.detailTextColor;
   cell.detailTextLabel.numberOfLines = self.numberOfDetailTextLines;
 }
 
 @end