Use MDCTypography instead of MDFRobotoFontLoader directly.

ios/chrome/browser/ui/omnibox/location_bar_controller_impl.mm

 // Copyright (c) 2012 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.
 
 #include "ios/chrome/browser/ui/omnibox/location_bar_controller_impl.h"
 
 #import <UIKit/UIKit.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/string16.h"
 #include "components/omnibox/browser/omnibox_edit_model.h"
 #include "components/security_state/core/security_state_ui.h"
 #include "components/strings/grit/components_strings.h"
 #include "components/toolbar/toolbar_model.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/chrome_url_constants.h"
 #include "ios/chrome/browser/experimental_flags.h"
 #include "ios/chrome/browser/ui/commands/UIKit+ChromeExecuteCommand.h"
 #include "ios/chrome/browser/ui/commands/ios_command_ids.h"
 #import "ios/chrome/browser/ui/omnibox/omnibox_text_field_ios.h"
 #include "ios/chrome/browser/ui/omnibox/omnibox_view_ios.h"
 #include "ios/chrome/browser/ui/ui_util.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 #include "ios/chrome/grit/ios_strings.h"
 #include "ios/chrome/grit/ios_theme_resources.h"
 #include "ios/shared/chrome/browser/ui/omnibox/location_bar_delegate.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_item.h"
 #include "ios/web/public/navigation_manager.h"
 #include "ios/web/public/ssl_status.h"
 #include "ios/web/public/web_state/web_state.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
@@ skipping 234 matching lines @@
       forControlEvents:UIControlEventTouchUpInside];
   [button setTag:IDC_SHOW_PAGE_INFO];
   SetA11yLabelAndUiAutomationName(
       button, IDS_IOS_PAGE_INFO_SECURITY_BUTTON_ACCESSIBILITY_LABEL,
       @"Page Security Info");
   [button setIsAccessibilityElement:YES];
 
   // Set chip text options.
   [button setTitleColor:[UIColor colorWithWhite:0.631 alpha:1]
                forState:UIControlStateNormal];
-  [button titleLabel].font =
-      [[MDFRobotoFontLoader sharedInstance] regularFontOfSize:12];
+  [button titleLabel].font = [MDCTypography captionFont];
   [field_ setLeftView:button];
 
   // The placeholder image is only shown when in edit mode on iPhone, and always
   // shown on iPad.
   if (IsIPadIdiom())
     [field_ setLeftViewMode:UITextFieldViewModeAlways];
   else
     [field_ setLeftViewMode:UITextFieldViewModeNever];
 }
 
@@ skipping 31 matching lines @@
     if (IsIPadIdiom())
       [field_ setRightView:nil];
   } else if ([field_ displayedText].empty() &&
              ![field_ isShowingQueryRefinementChip]) {
     [field_ setRightView:nil];
   } else {
     [field_ setRightView:clear_text_button_];
     [clear_text_button_ setAlpha:1];
   }
 }