Use MDCTypography instead of MDFRobotoFontLoader directly.

ios/chrome/browser/ui/sad_tab/sad_tab_view.mm

 // Copyright 2015 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/sad_tab/sad_tab_view.h"
 
 #include "base/strings/sys_string_conversions.h"
 #include "components/grit/components_scaled_resources.h"
 #include "components/strings/grit/components_strings.h"
 #include "ios/chrome/browser/chrome_url_constants.h"
 #import "ios/chrome/browser/ui/colors/MDCPalette+CrAdditions.h"
 #import "ios/chrome/browser/ui/commands/UIKit+ChromeExecuteCommand.h"
 #import "ios/chrome/browser/ui/commands/ios_command_ids.h"
 #import "ios/chrome/browser/ui/commands/open_url_command.h"
 #include "ios/chrome/browser/ui/rtl_geometry.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 #import "ios/chrome/browser/ui/url_loader.h"
 #import "ios/chrome/browser/ui/util/label_link_controller.h"
 #import "ios/third_party/material_components_ios/src/components/Buttons/src/MaterialButtons.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"
 #include "ios/web/public/navigation_manager.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 namespace {
 // Color constants.
@@ skipping 241 matching lines @@
   __weak __typeof(self) weakSelf = self;
   _footerLabelLinkController = [[LabelLinkController alloc]
       initWithLabel:label
              action:^(const GURL& URL) {
                OpenUrlCommand* command =
                    [[OpenUrlCommand alloc] initWithURLFromChrome:URL];
                [weakSelf chromeExecuteCommand:command];
              }];
 
   _footerLabelLinkController.linkFont =
-      [MDFRobotoFontLoader.sharedInstance boldFontOfSize:kFooterLabelFontSize];
+      [[MDCTypography fontLoader] boldFontOfSize:kFooterLabelFontSize];
   _footerLabelLinkController.linkUnderlineStyle = NSUnderlineStyleSingle;
   NSRange linkRange = [label.text rangeOfString:linkText];
   DCHECK(linkRange.location != NSNotFound);
   DCHECK(linkRange.length > 0);
   [_footerLabelLinkController addLinkWithRange:linkRange
                                            url:GURL(kCrashReasonURL)];
 }
 
 #pragma mark Accessors
 
@@ skipping 17 matching lines @@
 - (UILabel*)titleLabel {
   if (!_titleLabel) {
     _titleLabel = [[UILabel alloc] initWithFrame:CGRectZero];
     [_titleLabel setBackgroundColor:self.backgroundColor];
     [_titleLabel setText:[self titleLabelText]];
     [_titleLabel setLineBreakMode:NSLineBreakByWordWrapping];
     [_titleLabel setNumberOfLines:0];
     [_titleLabel
         setTextColor:[UIColor colorWithWhite:kTitleLabelTextColorBrightness
                                        alpha:1.0]];
-    [_titleLabel setFont:[[MDFRobotoFontLoader sharedInstance]
+    [_titleLabel setFont:[[MDCTypography fontLoader]
                              regularFontOfSize:kTitleLabelFontSize]];
   }
   return _titleLabel;
 }
 
 - (UILabel*)messageLabel {
   if (!_messageLabel) {
     _messageLabel = [[UILabel alloc] initWithFrame:CGRectZero];
     [_messageLabel setBackgroundColor:self.backgroundColor];
     [_messageLabel setText:[self messageLabelText]];
     [_messageLabel setLineBreakMode:NSLineBreakByWordWrapping];
     [_messageLabel setNumberOfLines:0];
     [_messageLabel
         setTextColor:[UIColor colorWithWhite:kMessageLabelTextColorBrightness
                                        alpha:1.0]];
-    [_messageLabel setFont:[[MDFRobotoFontLoader sharedInstance]
+    [_messageLabel setFont:[[MDCTypography fontLoader]
                                regularFontOfSize:kMessageLabelFontSize]];
   }
   return _messageLabel;
 }
 
 - (UILabel*)footerLabel {
   if (!_footerLabel) {
     _footerLabel = [[UILabel alloc] initWithFrame:CGRectZero];
     [_footerLabel setBackgroundColor:self.backgroundColor];
     [_footerLabel setNumberOfLines:0];
-    [_footerLabel setFont:[[MDFRobotoFontLoader sharedInstance]
+    [_footerLabel setFont:[[MDCTypography fontLoader]
                               regularFontOfSize:kFooterLabelFontSize]];
     [_footerLabel
         setTextColor:[UIColor colorWithWhite:kMessageLabelTextColorBrightness
                                        alpha:1.0]];
 
     [_footerLabel setText:[self footerLabelText]];
     [self attachLinkControllerToLabel:_footerLabel
                           forLinkText:[self footerLinkText]];
   }
   return _footerLabel;
@@ skipping 174 matching lines @@
       break;
     }
   };
 }
 
 + (UIColor*)sadTabBackgroundColor {
   return [UIColor colorWithWhite:kBackgroundColorBrightness alpha:1.0];
 }
 
 @end