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

ui/views/style/typography.h

 // 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.
 
 #ifndef UI_VIEWS_STYLE_TYPOGRAPHY_H_
 #define UI_VIEWS_STYLE_TYPOGRAPHY_H_
 
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/views/views_export.h"
 
 namespace gfx {
 class FontList;
 }
 
+namespace ui {
+class NativeTheme;
+}
+
 namespace views {
 namespace style {
 
 // Where a piece of text appears in the UI. This influences size and weight, but
 // typically not style or color.
 enum TextContext {
   // Embedders can extend this enum with additional values that are understood
   // by the TypographyProvider offered by their ViewsDelegate. Embedders define
   // enum values from VIEWS_TEXT_CONTEXT_END. Values named beginning with
   // "CONTEXT_" represent the actual TextContexts: the rest are markers.
@@ skipping 52 matching lines @@
   // Hovered tab in a tabbed pane.
   STYLE_TAB_HOVERED,
 
   // Inactive tab in a tabbed pane.
   STYLE_TAB_INACTIVE,
 
   // Embedders must start TextStyle enum values from here.
   VIEWS_TEXT_STYLE_END
 };
 
-// Helpers to obtain font properties from the TypographyProvider given by the
-// current ViewsDelegate. |context| can be an enum value from TextContext, or a
-// value understood by the embedder's TypographyProvider. Similarly,
+// Helpers to obtain text properties from the TypographyProvider given by the
+// current ViewsDelegate. |text_context| can be an enum value from TextContext,
+// or a value understood by the embedder's TypographyProvider. Similarly,
 // |text_style| corresponds to TextStyle.
 VIEWS_EXPORT const gfx::FontList& GetFont(int text_context, int text_style);
-VIEWS_EXPORT SkColor GetColor(int text_context, int text_style);
+VIEWS_EXPORT SkColor GetColor(int text_context,
+                              int text_style,
+                              const ui::NativeTheme* theme);
 VIEWS_EXPORT int GetLineHeight(int text_context, int text_style);
 
 }  // namespace style
 }  // namespace views
 
 #endif  // UI_VIEWS_STYLE_TYPOGRAPHY_H_