Use MDCTypography instead of MDFRobotoFontLoader directly.

ios/chrome/browser/ui/autofill/storage_switch_tooltip.mm

Index: ios/chrome/browser/ui/autofill/storage_switch_tooltip.mm
diff --git a/ios/chrome/browser/ui/autofill/storage_switch_tooltip.mm b/ios/chrome/browser/ui/autofill/storage_switch_tooltip.mm
index fc266c76a409f8061553e6514af9d86bd48d3a0b..f7b563f4e40dbbdd08a7eecf6d972bd07e9964ad 100644
--- a/ios/chrome/browser/ui/autofill/storage_switch_tooltip.mm
+++ b/ios/chrome/browser/ui/autofill/storage_switch_tooltip.mm
@@ -6,7 +6,7 @@
 
 #include "base/logging.h"
 #include "components/strings/grit/components_strings.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 "ui/base/l10n/l10n_util.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
@@ -16,7 +16,6 @@
 namespace {
 
 const CGFloat kCornerRadius = 2.0f;
-const CGFloat kFontSize = 12.0f;
 const CGFloat kInset = 8.0f;
 
 }  // namespace
@@ -33,8 +32,7 @@ const CGFloat kInset = 8.0f;
     [self setBackgroundColor:[UIColor colorWithWhite:0.0 alpha:0.9]];
     [[self layer] setCornerRadius:kCornerRadius];
     [[self layer] setMasksToBounds:YES];
-    [self setFont:[[MDFRobotoFontLoader sharedInstance]
-                      regularFontOfSize:kFontSize]];
+    [self setFont:[MDCTypography captionFont]];
     [self setNumberOfLines:0];  // Allows multi-line layout.
   }
   return self;