Use MDCTypography instead of MDFRobotoFontLoader directly.

ios/chrome/browser/ui/reading_list/number_badge_view.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/reading_list/number_badge_view.h"
 
 #import <Foundation/Foundation.h>
 
 #include "base/format_macros.h"
 #import "ios/chrome/common/material_timing.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
 
 namespace {
 const CGFloat kAnimationDuration = ios::material::kDuration3;
 const CGFloat labelMargin = 2.5f;
 }  // namespace
 
@@ skipping 17 matching lines @@
   if (self) {
     self.backgroundColor = [UIColor clearColor];
 
     UIView* backgroundCircleView = [[UIView alloc] initWithFrame:CGRectZero];
     _backgroundCircleView = backgroundCircleView;
     [backgroundCircleView setTranslatesAutoresizingMaskIntoConstraints:NO];
     [self addSubview:backgroundCircleView];
 
     UILabel* label = [[UILabel alloc] initWithFrame:CGRectZero];
     _label = label;
-    [label setFont:[[MDFRobotoFontLoader sharedInstance] boldFontOfSize:10]];
+    [label setFont:[[MDCTypography fontLoader] boldFontOfSize:10]];
     [label setTranslatesAutoresizingMaskIntoConstraints:NO];
     [label setTextColor:[UIColor whiteColor]];
     [self addSubview:label];
 
     [NSLayoutConstraint activateConstraints:@[
       // Position bubble.
       [backgroundCircleView.trailingAnchor
           constraintEqualToAnchor:self.trailingAnchor],
       [backgroundCircleView.centerYAnchor
           constraintEqualToAnchor:self.centerYAnchor],
@@ skipping 61 matching lines @@
                      animations:^{
                        [self.backgroundCircleView
                            setBackgroundColor:backgroundColor];
                      }];
   } else {
     [self.backgroundCircleView setBackgroundColor:backgroundColor];
   }
 }
 
 @end