Replace hard-coded colors from ui::NativeTheme for consistency and accessibility.

chrome/browser/ui/autofill/autofill_popup_layout_model.h

 // Copyright (c) 2016 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 CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_LAYOUT_MODEL_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_LAYOUT_MODEL_H_
 
 #include <stddef.h>
 
 #include "base/strings/string16.h"
 #include "chrome/browser/ui/autofill/autofill_popup_view_delegate.h"
 #include "chrome/browser/ui/autofill/popup_view_common.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/native_widget_types.h"
+#include "ui/native_theme/native_theme.h"
 
 namespace gfx {
 class ImageSkia;
 }
 
 namespace autofill {
 
 // Helper class which keeps tracks of popup bounds and related view information.
 // TODO(mathp): investigate moving ownership of this class to the view.
 class AutofillPopupLayoutModel {
@@ skipping 40 matching lines @@
 
   // Calculates and sets the bounds of the popup, including placing it properly
   // to prevent it from going off the screen.
   void UpdatePopupBounds();
 
   // The same font can vary based on the type of data it is showing at the row
   // |index|.
   const gfx::FontList& GetValueFontListForRow(size_t index) const;
   const gfx::FontList& GetLabelFontListForRow(size_t index) const;
 
-  // Returns the value font color of the row item according to its |index|.
-  SkColor GetValueFontColorForRow(size_t index) const;
+  // Returns the value font color_id of the row item according to its |index|.

[Evan Stade, 2016/12/20 18:01:19]

nit: s/color_id/color ID

[jiahuiguo, 2017/01/03 19:37:52]

Done.

+  ui::NativeTheme::ColorId GetValueFontColorForRow(size_t index) const;
 
   // Returns the icon image of the item at |index| in the popup.
   gfx::ImageSkia GetIconImage(size_t index) const;
 #endif
 
   // Convert a y-coordinate to the closest line.
   int LineFromY(int y) const;
 
   const gfx::Rect popup_bounds() const { return popup_bounds_; }
 
@@ skipping 48 matching lines @@
   AutofillPopupViewDelegate* delegate_;  // Weak reference.
 
   const bool is_credit_card_popup_;
 
   DISALLOW_COPY_AND_ASSIGN(AutofillPopupLayoutModel);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_LAYOUT_MODEL_H_