Remove views::Label::SetDisabledColor(). Replace with typography colors.

chrome/browser/ui/views/harmony/chrome_typography.cc

 // Copyright 2017 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 "chrome/browser/ui/views/harmony/chrome_typography.h"
 
 #include "ui/base/default_style.h"
 #include "ui/base/resource/resource_bundle.h"
 
 const gfx::FontList& LegacyTypographyProvider::GetFont(int text_context,
@@ skipping 27 matching lines @@
 
   switch (text_style) {
     case STYLE_EMPHASIZED:
       font_weight = gfx::Font::Weight::BOLD;
       break;
   }
   constexpr gfx::Font::FontStyle kFontStyle = gfx::Font::NORMAL;
   return ui::ResourceBundle::GetSharedInstance().GetFontListWithDelta(
       size_delta, kFontStyle, font_weight);
 }
+
+SkColor LegacyTypographyProvider::GetColor(int context,
+                                           int style,
+                                           const ui::NativeTheme& theme) const {
+  // Use "disabled grey" for HINT and SECONDARY when Harmony is disabled.
+  if (style == STYLE_HINT || style == STYLE_SECONDARY)
+    style = views::style::STYLE_DISABLED;
+
+  return DefaultTypographyProvider::GetColor(context, style, theme);
+}